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84 vulnerabilities by AVIRA
CVE-2026-27750 (GCVE-0-2026-27750)
Vulnerability from nvd – Published: 2026-03-05 14:15 – Updated: 2026-04-01 14:38
VLAI
EPSS
VEX
Title
Avira Internet Security Optimizer TOCTOU
Summary
Avira Internet Security contains a time-of-check time-of-use (TOCTOU) vulnerability in the Optimizer component. A privileged service running as SYSTEM identifies directories for cleanup during a scan phase and subsequently deletes them during a separate cleanup phase without revalidating the target path. A local attacker can replace a previously scanned directory with a junction or reparse point before deletion occurs, causing the privileged process to delete an unintended system location. This may result in deletion of protected files or directories and can lead to local privilege escalation, denial of service, or system integrity compromise depending on the affected target.
Severity
7.8 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-06 18:17 UTC
CWE
- CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://support.avira.com/hc/en-us/articles/36001… | release-notes |
| https://www.avira.com/en/internet-security | product |
| https://www.gendigital.com/us/en/contact-us/secur… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Gen Digital Inc. | Avira Internet Security |
Affected:
0 , ≤ 1.1.109.1990
(semver)
Unaffected: 1.1.114.3113 (semver) cpe:2.3:a:avira:avira_internet_security_suite:*:*:*:*:*:windows:*:* |
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CVE-2026-27749 (GCVE-0-2026-27749)
Vulnerability from nvd – Published: 2026-03-05 14:15 – Updated: 2026-04-01 14:38
VLAI
EPSS
VEX
Title
Avira Internet Security System Speedup Insecure Deserialization
Summary
Avira Internet Security contains a deserialization of untrusted data vulnerability in the System Speedup component. The Avira.SystemSpeedup.RealTimeOptimizer.exe process, which runs with SYSTEM privileges, deserializes data from a file located in C:\\ProgramData using .NET BinaryFormatter without implementing input validation or deserialization safeguards. Because the file can be created or modified by a local user in default configurations, an attacker can supply a crafted serialized payload that is deserialized by the privileged process, resulting in arbitrary code execution as SYSTEM.
Severity
7.8 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-06 18:17 UTC
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://support.avira.com/hc/en-us/articles/36001… | release-notes |
| https://www.avira.com/en/internet-security | product |
| https://www.gendigital.com/us/en/contact-us/secur… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Gen Digital Inc. | Avira Internet Security |
Affected:
0 , ≤ 1.1.109.1990
(semver)
Unaffected: 1.1.114.3113 (semver) cpe:2.3:a:avira:avira_internet_security_suite:*:*:*:*:*:windows:*:* |
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CVE-2026-27748 (GCVE-0-2026-27748)
Vulnerability from nvd – Published: 2026-03-05 14:15 – Updated: 2026-04-01 14:37
VLAI
EPSS
VEX
Title
Avira Internet Security Arbitrary File Deletion via Improper Link Resolution
Summary
Avira Internet Security contains an improper link resolution vulnerability in the Software Updater component. During the update process, a privileged service running as SYSTEM deletes a file under C:\\ProgramData without validating whether the path resolves through a symbolic link or reparse point. A local attacker can create a malicious link to redirect the delete operation to an arbitrary file, resulting in deletion of attacker-chosen files with SYSTEM privileges. This may lead to local privilege escalation, denial of service, or system integrity compromise depending on the targeted file and operating system configuration.
Severity
7.8 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-06 18:16 UTC
CWE
- CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://support.avira.com/hc/en-us/articles/36001… | release-notes |
| https://www.avira.com/en/internet-security | product |
| https://www.gendigital.com/us/en/contact-us/secur… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Gen Digital Inc. | Avira Internet Security |
Affected:
0 , ≤ 1.1.109.1990
(semver)
Unaffected: 1.1.114.3113 (semver) cpe:2.3:a:avira:avira_internet_security_suite:*:*:*:*:*:windows:*:* |
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CVE-2024-13759 (GCVE-0-2024-13759)
Vulnerability from nvd – Published: 2025-05-09 15:20 – Updated: 2025-05-09 19:07
VLAI
EPSS
VEX
Title
Local Privilege Escalation in Avira Prime 1.1.96.2 on Windows 10 x64
Summary
Local Privilege Escalation in Avira.Spotlight.Service.exe in Avira Prime 1.1.96.2 on Windows 10 x64 allows local attackers to gain system-level privileges via arbitrary file deletion
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-05-09 19:03 UTC
CWE
- CWE-59 - Improper Link Resolution Before File Access ('Link Following')
References
1 reference
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CVE-2023-51636 (GCVE-0-2023-51636)
Vulnerability from nvd – Published: 2024-05-22 19:16 – Updated: 2024-08-02 22:40
VLAI
EPSS
VEX
Title
Avira Prime Link Following Local Privilege Escalation Vulnerability
Summary
Avira Prime Link Following Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Avira Prime. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.
The specific flaw exists within the Avira Spotlight Service. By creating a symbolic link, an attacker can abuse the service to delete a file. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-21600.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-05-23 17:10 UTC
CWE
- CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_research-advisory |
Impacted products
Date Public
2024-05-17 23:23
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CVE-2023-36673 (GCVE-0-2023-36673)
Vulnerability from nvd – Published: 2023-08-09 00:00 – Updated: 2024-10-10 18:37
VLAI
EPSS
VEX
Summary
An issue was discovered in Avira Phantom VPN through 2.23.1 for macOS. The VPN client insecurely configures the operating system such that all IP traffic to the VPN server's IP address is sent in plaintext outside the VPN tunnel, even if this traffic is not generated by the VPN client, while simultaneously using plaintext DNS to look up the VPN server's IP address. This allows an adversary to trick the victim into sending traffic to arbitrary IP addresses in plaintext outside the VPN tunnel. NOTE: the tunnelcrack.mathyvanhoef.com website uses this CVE ID to refer more generally to "ServerIP attack, combined with DNS spoofing, that can leak traffic to an arbitrary IP address" rather than to only Avira Phantom VPN.
Severity
No CVSS data available.
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-10-10 18:37 UTC
CWE
- n/a
Assigner
References
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CVE-2023-1900 (GCVE-0-2023-1900)
Vulnerability from nvd – Published: 2023-04-19 18:47 – Updated: 2025-02-05 14:48
VLAI
EPSS
VEX
Summary
A vulnerability within the Avira network protection feature allowed an attacker with local execution rights to cause an overflow. This could corrupt the data on the heap and lead to a denial-of-service situation.
Issue was fixed with Endpointprotection.exe version 1.0.2303.633
Severity
7.8 (High)
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-02-05 14:46 UTC
CWE
- CWE-190 - Integer Overflow or Wraparound
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| AVIRA | Avira Antivirus |
Affected:
0 , < 1.0.2303.633
(1.0.2303.633 )
|
Date Public
2023-04-20 19:00
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CVE-2022-4429 (GCVE-0-2022-4429)
Vulnerability from nvd – Published: 2023-01-10 09:28 – Updated: 2025-04-08 14:51
VLAI
EPSS
VEX
Title
Avira Security for Windows - Denial of Service
Summary
Avira Security for Windows contains an unquoted service path which allows attackers with local administrative privileges to cause a Denial of Service. The issue was fixed with Avira Security version 1.1.78
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-08 14:50 UTC
CWE
- CWE-428 - Unquoted Search Path or Element
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| NortonLifelock (GenDigital) | Avira Security for Windows |
Affected:
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CVE-2022-4294 (GCVE-0-2022-4294)
Vulnerability from nvd – Published: 2023-01-10 09:14 – Updated: 2025-04-08 14:54
VLAI
EPSS
VEX
Title
Norton, Avira, Avast and AVG Antivirus for Windows Privilege Escalation
Summary
Norton, Avira, Avast and AVG Antivirus for Windows may be susceptible to a Privilege Escalation vulnerability, which is a type of issue whereby an attacker may attempt to compromise the software application to gain elevated access to resources that are normally protected from an application or user.
Severity
7.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-08 14:53 UTC
CWE
- CWE-269 - Improper Privilege Management
References
1 reference
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| NortonLifelock (GenDigital) | Norton Antivirus Windows Eraser Engine |
Affected:
prior to 119.1.5.1
|
|
| NortonLifelock (GenDigital) | Avira Security |
Affected:
prior to 1.1.78
|
|
| NortonLifelock (GenDigital) | Avast Antivirus |
Affected:
Prior to 22.10
|
|
| NortonLifelock (GenDigital) | AVG Antivirus |
Affected:
Prior to 22.10
|
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CVE-2022-3368 (GCVE-0-2022-3368)
Vulnerability from nvd – Published: 2022-10-17 20:52 – Updated: 2025-05-10 02:51
VLAI
EPSS
VEX
Title
Software Updater of Avira Security for Windows vulnerable to Privilege Escalation
Summary
A vulnerability within the Software Updater functionality of Avira Security for Windows allowed an attacker with write access to the filesystem, to escalate his privileges in certain scenarios. The issue was fixed with Avira Security version 1.1.72.30556.
Severity
7.3 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-05-10 02:50 UTC
CWE
- Privilege Escalation
- CWE-276 - Incorrect Default Permissions
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Nortonlifelock | "Avira Security" – for Windows |
Affected:
all , < 1.1.71.30554
(custom)
|
Date Public
2022-10-11 00:00
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CVE-2022-28795 (GCVE-0-2022-28795)
Vulnerability from nvd – Published: 2022-04-12 16:11 – Updated: 2024-08-03 06:03
VLAI
EPSS
VEX
Summary
A vulnerability within the Avira Password Manager Browser Extensions provided a potential loophole where, if a user visited a page crafted by an attacker, the discovered vulnerability could trigger the Password Manager Extension to fill in the password field automatically. An attacker could then access this information via JavaScript. The issue was fixed with the browser extensions version 2.18.5 for Chrome, MS Edge, Opera, Firefox, and Safari.
Severity
No CVSS data available.
CWE
- Sensitive Data Leakage
References
1 reference
| URL | Tags |
|---|---|
| https://support.norton.com/sp/static/external/too… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Avira Password Manager – Browser Extensions |
Affected:
Avira Password Manager - extension for Chrome
Affected: version 2.18.4.3868 Avira Password Manager - extension for MS Edge Affected: version 2.18.4.3847 Avira Password Manager - extension for Opera Affected: version 2.18.4.3847 Avira Password Manager - extension for Firefox Affected: version 2.18.4.38471 Avira Password Manager - extension for Safari Affected: version 2.18.4 |
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CVE-2020-12680 (GCVE-0-2020-12680)
Vulnerability from nvd – Published: 2020-05-08 12:02 – Updated: 2024-08-04 12:04 Disputed
VLAI
EPSS
VEX
Summary
Avira Free Antivirus through 15.0.2005.1866 allows local users to discover user credentials. The functions of the executable file Avira.PWM.NativeMessaging.exe are aimed at collecting credentials stored in Chrome, Firefox, Opera, and Edge. The executable does not verify the calling program and thus a request such as fetchChromePasswords or fetchCredentials will succeed. NOTE: some third parties have stated that this is "not a vulnerability.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://twitter.com/taviso/status/1258448515912491026 | x_refsource_MISC |
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CVE-2020-12463 (GCVE-0-2020-12463)
Vulnerability from nvd – Published: 2020-05-05 21:18 – Updated: 2024-08-04 11:56
VLAI
EPSS
VEX
Summary
An elevation of privilege vulnerability exists in Avira Software Updater before 2.0.6.27476 due to improperly handling file hard links. This allows local users to obtain take control of arbitrary files.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://support.avira.com/hc/en-us/articles/36000… | x_refsource_CONFIRM |
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CVE-2020-12254 (GCVE-0-2020-12254)
Vulnerability from nvd – Published: 2020-04-26 14:52 – Updated: 2024-08-04 11:48
VLAI
EPSS
VEX
Summary
Avira Antivirus before 5.0.2003.1821 on Windows allows privilege escalation or a denial of service via abuse of a symlink.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://support.avira.com/hc/en-us/articles/36000… | x_refsource_MISC |
| http://web.archive.org/web/20200429193852/https:/… | x_refsource_MISC |
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CVE-2020-8961 (GCVE-0-2020-8961)
Vulnerability from nvd – Published: 2020-04-09 19:54 – Updated: 2024-08-04 10:19
VLAI
EPSS
VEX
Summary
An issue was discovered in Avira Free-Antivirus before 15.0.2004.1825. The Self-Protection feature does not prohibit a write operation from an external process. Thus, code injection can be used to turn off this feature. After that, one can construct an event that will modify a file at a specific location, and pass this event to the driver, thereby defeating the anti-virus functionality.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://support.avira.com/hc/en-us/articles/36000… | x_refsource_CONFIRM |
Date Public
2020-04-08 00:00
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CVE-2026-27748 (GCVE-0-2026-27748)
Vulnerability from cvelistv5 – Published: 2026-03-05 14:15 – Updated: 2026-04-01 14:37
VLAI
EPSS
VEX
Title
Avira Internet Security Arbitrary File Deletion via Improper Link Resolution
Summary
Avira Internet Security contains an improper link resolution vulnerability in the Software Updater component. During the update process, a privileged service running as SYSTEM deletes a file under C:\\ProgramData without validating whether the path resolves through a symbolic link or reparse point. A local attacker can create a malicious link to redirect the delete operation to an arbitrary file, resulting in deletion of attacker-chosen files with SYSTEM privileges. This may lead to local privilege escalation, denial of service, or system integrity compromise depending on the targeted file and operating system configuration.
Severity
7.8 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-06 18:16 UTC
CWE
- CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://support.avira.com/hc/en-us/articles/36001… | release-notes |
| https://www.avira.com/en/internet-security | product |
| https://www.gendigital.com/us/en/contact-us/secur… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Gen Digital Inc. | Avira Internet Security |
Affected:
0 , ≤ 1.1.109.1990
(semver)
Unaffected: 1.1.114.3113 (semver) cpe:2.3:a:avira:avira_internet_security_suite:*:*:*:*:*:windows:*:* |
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CVE-2026-27749 (GCVE-0-2026-27749)
Vulnerability from cvelistv5 – Published: 2026-03-05 14:15 – Updated: 2026-04-01 14:38
VLAI
EPSS
VEX
Title
Avira Internet Security System Speedup Insecure Deserialization
Summary
Avira Internet Security contains a deserialization of untrusted data vulnerability in the System Speedup component. The Avira.SystemSpeedup.RealTimeOptimizer.exe process, which runs with SYSTEM privileges, deserializes data from a file located in C:\\ProgramData using .NET BinaryFormatter without implementing input validation or deserialization safeguards. Because the file can be created or modified by a local user in default configurations, an attacker can supply a crafted serialized payload that is deserialized by the privileged process, resulting in arbitrary code execution as SYSTEM.
Severity
7.8 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-06 18:17 UTC
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://support.avira.com/hc/en-us/articles/36001… | release-notes |
| https://www.avira.com/en/internet-security | product |
| https://www.gendigital.com/us/en/contact-us/secur… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Gen Digital Inc. | Avira Internet Security |
Affected:
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(semver)
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CVE-2026-27750 (GCVE-0-2026-27750)
Vulnerability from cvelistv5 – Published: 2026-03-05 14:15 – Updated: 2026-04-01 14:38
VLAI
EPSS
VEX
Title
Avira Internet Security Optimizer TOCTOU
Summary
Avira Internet Security contains a time-of-check time-of-use (TOCTOU) vulnerability in the Optimizer component. A privileged service running as SYSTEM identifies directories for cleanup during a scan phase and subsequently deletes them during a separate cleanup phase without revalidating the target path. A local attacker can replace a previously scanned directory with a junction or reparse point before deletion occurs, causing the privileged process to delete an unintended system location. This may result in deletion of protected files or directories and can lead to local privilege escalation, denial of service, or system integrity compromise depending on the affected target.
Severity
7.8 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-06 18:17 UTC
CWE
- CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://support.avira.com/hc/en-us/articles/36001… | release-notes |
| https://www.avira.com/en/internet-security | product |
| https://www.gendigital.com/us/en/contact-us/secur… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Gen Digital Inc. | Avira Internet Security |
Affected:
0 , ≤ 1.1.109.1990
(semver)
Unaffected: 1.1.114.3113 (semver) cpe:2.3:a:avira:avira_internet_security_suite:*:*:*:*:*:windows:*:* |
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CVE-2024-13759 (GCVE-0-2024-13759)
Vulnerability from cvelistv5 – Published: 2025-05-09 15:20 – Updated: 2025-05-09 19:07
VLAI
EPSS
VEX
Title
Local Privilege Escalation in Avira Prime 1.1.96.2 on Windows 10 x64
Summary
Local Privilege Escalation in Avira.Spotlight.Service.exe in Avira Prime 1.1.96.2 on Windows 10 x64 allows local attackers to gain system-level privileges via arbitrary file deletion
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-05-09 19:03 UTC
CWE
- CWE-59 - Improper Link Resolution Before File Access ('Link Following')
References
1 reference
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CVE-2023-51636 (GCVE-0-2023-51636)
Vulnerability from cvelistv5 – Published: 2024-05-22 19:16 – Updated: 2024-08-02 22:40
VLAI
EPSS
VEX
Title
Avira Prime Link Following Local Privilege Escalation Vulnerability
Summary
Avira Prime Link Following Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Avira Prime. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.
The specific flaw exists within the Avira Spotlight Service. By creating a symbolic link, an attacker can abuse the service to delete a file. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-21600.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-05-23 17:10 UTC
CWE
- CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_research-advisory |
Impacted products
Date Public
2024-05-17 23:23
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CVE-2023-36673 (GCVE-0-2023-36673)
Vulnerability from cvelistv5 – Published: 2023-08-09 00:00 – Updated: 2024-10-10 18:37
VLAI
EPSS
VEX
Summary
An issue was discovered in Avira Phantom VPN through 2.23.1 for macOS. The VPN client insecurely configures the operating system such that all IP traffic to the VPN server's IP address is sent in plaintext outside the VPN tunnel, even if this traffic is not generated by the VPN client, while simultaneously using plaintext DNS to look up the VPN server's IP address. This allows an adversary to trick the victim into sending traffic to arbitrary IP addresses in plaintext outside the VPN tunnel. NOTE: the tunnelcrack.mathyvanhoef.com website uses this CVE ID to refer more generally to "ServerIP attack, combined with DNS spoofing, that can leak traffic to an arbitrary IP address" rather than to only Avira Phantom VPN.
Severity
No CVSS data available.
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-10-10 18:37 UTC
CWE
- n/a
Assigner
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CVE-2023-1900 (GCVE-0-2023-1900)
Vulnerability from cvelistv5 – Published: 2023-04-19 18:47 – Updated: 2025-02-05 14:48
VLAI
EPSS
VEX
Summary
A vulnerability within the Avira network protection feature allowed an attacker with local execution rights to cause an overflow. This could corrupt the data on the heap and lead to a denial-of-service situation.
Issue was fixed with Endpointprotection.exe version 1.0.2303.633
Severity
7.8 (High)
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-02-05 14:46 UTC
CWE
- CWE-190 - Integer Overflow or Wraparound
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| AVIRA | Avira Antivirus |
Affected:
0 , < 1.0.2303.633
(1.0.2303.633 )
|
Date Public
2023-04-20 19:00
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CVE-2022-4429 (GCVE-0-2022-4429)
Vulnerability from cvelistv5 – Published: 2023-01-10 09:28 – Updated: 2025-04-08 14:51
VLAI
EPSS
VEX
Title
Avira Security for Windows - Denial of Service
Summary
Avira Security for Windows contains an unquoted service path which allows attackers with local administrative privileges to cause a Denial of Service. The issue was fixed with Avira Security version 1.1.78
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-08 14:50 UTC
CWE
- CWE-428 - Unquoted Search Path or Element
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| NortonLifelock (GenDigital) | Avira Security for Windows |
Affected:
up to version 1.1.77
|
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CVE-2022-4294 (GCVE-0-2022-4294)
Vulnerability from cvelistv5 – Published: 2023-01-10 09:14 – Updated: 2025-04-08 14:54
VLAI
EPSS
VEX
Title
Norton, Avira, Avast and AVG Antivirus for Windows Privilege Escalation
Summary
Norton, Avira, Avast and AVG Antivirus for Windows may be susceptible to a Privilege Escalation vulnerability, which is a type of issue whereby an attacker may attempt to compromise the software application to gain elevated access to resources that are normally protected from an application or user.
Severity
7.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-08 14:53 UTC
CWE
- CWE-269 - Improper Privilege Management
References
1 reference
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| NortonLifelock (GenDigital) | Norton Antivirus Windows Eraser Engine |
Affected:
prior to 119.1.5.1
|
|
| NortonLifelock (GenDigital) | Avira Security |
Affected:
prior to 1.1.78
|
|
| NortonLifelock (GenDigital) | Avast Antivirus |
Affected:
Prior to 22.10
|
|
| NortonLifelock (GenDigital) | AVG Antivirus |
Affected:
Prior to 22.10
|
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CVE-2022-3368 (GCVE-0-2022-3368)
Vulnerability from cvelistv5 – Published: 2022-10-17 20:52 – Updated: 2025-05-10 02:51
VLAI
EPSS
VEX
Title
Software Updater of Avira Security for Windows vulnerable to Privilege Escalation
Summary
A vulnerability within the Software Updater functionality of Avira Security for Windows allowed an attacker with write access to the filesystem, to escalate his privileges in certain scenarios. The issue was fixed with Avira Security version 1.1.72.30556.
Severity
7.3 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-05-10 02:50 UTC
CWE
- Privilege Escalation
- CWE-276 - Incorrect Default Permissions
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Nortonlifelock | "Avira Security" – for Windows |
Affected:
all , < 1.1.71.30554
(custom)
|
Date Public
2022-10-11 00:00
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CVE-2022-28795 (GCVE-0-2022-28795)
Vulnerability from cvelistv5 – Published: 2022-04-12 16:11 – Updated: 2024-08-03 06:03
VLAI
EPSS
VEX
Summary
A vulnerability within the Avira Password Manager Browser Extensions provided a potential loophole where, if a user visited a page crafted by an attacker, the discovered vulnerability could trigger the Password Manager Extension to fill in the password field automatically. An attacker could then access this information via JavaScript. The issue was fixed with the browser extensions version 2.18.5 for Chrome, MS Edge, Opera, Firefox, and Safari.
Severity
No CVSS data available.
CWE
- Sensitive Data Leakage
References
1 reference
| URL | Tags |
|---|---|
| https://support.norton.com/sp/static/external/too… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Avira Password Manager – Browser Extensions |
Affected:
Avira Password Manager - extension for Chrome
Affected: version 2.18.4.3868 Avira Password Manager - extension for MS Edge Affected: version 2.18.4.3847 Avira Password Manager - extension for Opera Affected: version 2.18.4.3847 Avira Password Manager - extension for Firefox Affected: version 2.18.4.38471 Avira Password Manager - extension for Safari Affected: version 2.18.4 |
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CVE-2020-12680 (GCVE-0-2020-12680)
Vulnerability from cvelistv5 – Published: 2020-05-08 12:02 – Updated: 2024-08-04 12:04 Disputed
VLAI
EPSS
VEX
Summary
Avira Free Antivirus through 15.0.2005.1866 allows local users to discover user credentials. The functions of the executable file Avira.PWM.NativeMessaging.exe are aimed at collecting credentials stored in Chrome, Firefox, Opera, and Edge. The executable does not verify the calling program and thus a request such as fetchChromePasswords or fetchCredentials will succeed. NOTE: some third parties have stated that this is "not a vulnerability.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://twitter.com/taviso/status/1258448515912491026 | x_refsource_MISC |
| https://medium.com/%40knikolenko/avira-free-antiv… | x_refsource_MISC |
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CVE-2020-12463 (GCVE-0-2020-12463)
Vulnerability from cvelistv5 – Published: 2020-05-05 21:18 – Updated: 2024-08-04 11:56
VLAI
EPSS
VEX
Summary
An elevation of privilege vulnerability exists in Avira Software Updater before 2.0.6.27476 due to improperly handling file hard links. This allows local users to obtain take control of arbitrary files.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://support.avira.com/hc/en-us/articles/36000… | x_refsource_CONFIRM |
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CVE-2020-12254 (GCVE-0-2020-12254)
Vulnerability from cvelistv5 – Published: 2020-04-26 14:52 – Updated: 2024-08-04 11:48
VLAI
EPSS
VEX
Summary
Avira Antivirus before 5.0.2003.1821 on Windows allows privilege escalation or a denial of service via abuse of a symlink.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://support.avira.com/hc/en-us/articles/36000… | x_refsource_MISC |
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CVE-2020-8961 (GCVE-0-2020-8961)
Vulnerability from cvelistv5 – Published: 2020-04-09 19:54 – Updated: 2024-08-04 10:19
VLAI
EPSS
VEX
Summary
An issue was discovered in Avira Free-Antivirus before 15.0.2004.1825. The Self-Protection feature does not prohibit a write operation from an external process. Thus, code injection can be used to turn off this feature. After that, one can construct an event that will modify a file at a specific location, and pass this event to the driver, thereby defeating the anti-virus functionality.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://support.avira.com/hc/en-us/articles/36000… | x_refsource_CONFIRM |
Date Public
2020-04-08 00:00
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