Common Weakness Enumeration
CWE-476
AllowedNULL Pointer Dereference
Abstraction: Base · Status: Stable
The product dereferences a pointer that it expects to be valid but is NULL.
6769 vulnerabilities reference this CWE, most recent first.
CVE-2022-23189 (GCVE-0-2022-23189)
Vulnerability from cvelistv5 – Published: 2022-02-16 16:38 – Updated: 2025-04-23 19:04
VLAI
EPSS
VEX
Title
Adobe Illustrator NULL Pointer Dereference Application denial-of-service
Summary
Adobe Illustrator versions 25.4.3 (and earlier) and 26.0.2 (and earlier) are affected by a Null pointer dereference vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve an application denial-of-service in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Severity
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-23 13:08 UTC
CWE
- CWE-476 - NULL Pointer Dereference (CWE-476)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://helpx.adobe.com/security/products/illustr… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Adobe | Illustrator |
Affected:
unspecified , ≤ 25.4.3
(custom)
Affected: unspecified , ≤ 26.0.2 (custom) Affected: unspecified , ≤ None (custom) |
Date Public
2022-02-08 00:00
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CVE-2022-23025 (GCVE-0-2022-23025)
Vulnerability from cvelistv5 – Published: 2022-01-25 19:11 – Updated: 2024-08-03 03:28
VLAI
EPSS
VEX
Summary
On BIG-IP version 16.1.x before 16.1.1, 15.1.x before 15.1.4, 14.1.x before 14.1.4.4, and all versions of 13.1.x, when a SIP ALG profile is configured on a virtual server, undisclosed requests can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Severity
No CVSS data available.
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://support.f5.com/csp/article/K44110411 | x_refsource_MISC |
Impacted products
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CVE-2022-23022 (GCVE-0-2022-23022)
Vulnerability from cvelistv5 – Published: 2022-01-25 19:11 – Updated: 2024-08-03 03:28
VLAI
EPSS
VEX
Summary
On BIG-IP version 16.1.x before 16.1.2, when an HTTP profile is configured on a virtual server, undisclosed requests can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Severity
No CVSS data available.
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://support.f5.com/csp/article/K96924184 | x_refsource_MISC |
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CVE-2022-23021 (GCVE-0-2022-23021)
Vulnerability from cvelistv5 – Published: 2022-01-25 19:11 – Updated: 2024-08-03 03:28
VLAI
EPSS
VEX
Summary
On BIG-IP version 16.1.x before 16.1.2, when any of the following configurations are configured on a virtual server, undisclosed requests can cause the Traffic Management Microkernel (TMM) to terminate: HTTP redirect rule in an LTM policy, BIG-IP APM Access Profile, and Explicit HTTP Proxy in HTTP Profile. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Severity
No CVSS data available.
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://support.f5.com/csp/article/K57111075 | x_refsource_MISC |
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CVE-2022-23020 (GCVE-0-2022-23020)
Vulnerability from cvelistv5 – Published: 2022-01-25 19:11 – Updated: 2024-08-03 03:28
VLAI
EPSS
VEX
Summary
On BIG-IP version 16.1.x before 16.1.2, when the 'Respond on Error' setting is enabled on the Request Logging profile and configured on a virtual server, undisclosed requests can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Severity
No CVSS data available.
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://support.f5.com/csp/article/K17514331 | x_refsource_MISC |
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CVE-2022-23017 (GCVE-0-2022-23017)
Vulnerability from cvelistv5 – Published: 2022-01-25 19:11 – Updated: 2024-08-03 03:28
VLAI
EPSS
VEX
Summary
On BIG-IP version 16.x before 16.1.0, 15.1.x before 15.1.4.1, 14.1.x before 14.1.4.5, and all versions of 13.1.x, when a virtual server is configured with a DNS profile with the Rapid Response Mode setting enabled and is configured on a BIG-IP system, undisclosed requests can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Severity
No CVSS data available.
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://support.f5.com/csp/article/K28042514 | x_refsource_MISC |
Impacted products
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CVE-2022-23016 (GCVE-0-2022-23016)
Vulnerability from cvelistv5 – Published: 2022-01-25 19:11 – Updated: 2024-08-03 03:28
VLAI
EPSS
VEX
Summary
On versions 16.1.x before 16.1.2 and 15.1.x before 15.1.4.1, when BIG-IP SSL Forward Proxy with TLS 1.3 is configured on a virtual server, undisclosed requests can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Severity
No CVSS data available.
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://support.f5.com/csp/article/K91013510 | x_refsource_MISC |
Impacted products
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CVE-2022-22513 (GCVE-0-2022-22513)
Vulnerability from cvelistv5 – Published: 2022-04-07 18:21 – Updated: 2024-09-17 04:29
VLAI
EPSS
VEX
Title
Null Pointer Dereference in multiple CODESYS products can lead to a DoS.
Summary
An authenticated remote attacker can cause a null pointer dereference in the CmpSettings component of the affected CODESYS products which leads to a crash.
Severity
6.5 (Medium)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://customers.codesys.com/index.php?eID=dumpF… | x_refsource_MISC |
Impacted products
21 products
| Vendor | Product | Version | |
|---|---|---|---|
| CODESYS | CODESYS Control RTE (SL) |
Affected:
V3.5.18.0 , < V3.5.18.0
(custom)
|
|
| CODESYS | CODESYS Control RTE (for Beckhoff CX) SL |
Affected:
V3.5.18.0 , < V3.5.18.0
(custom)
|
|
| CODESYS | CODESYS Control Win (SL) |
Affected:
V3.5.18.0 , < V3.5.18.0
(custom)
|
|
| CODESYS | CODESYS Gateway |
Affected:
V3.5.18.0 , < V3.5.18.0
(custom)
|
|
| CODESYS | CODESYS Edge Gateway for Windows |
Affected:
V3.5.18.0 , < V3.5.18.0
(custom)
|
|
| CODESYS | CODESYS HMI (SL) |
Affected:
V3.5.18.0 , < V3.5.18.0
(custom)
|
|
| CODESYS | CODESYS Development System V3 |
Affected:
V3.5.18.0 , < V3.5.18.0
(custom)
|
|
| CODESYS | CODESYS Control Runtime System Toolkit |
Affected:
V3.5.18.0 , < V3.5.18.0
(custom)
|
|
| CODESYS | CODESYS Embedded Target Visu Toolkit |
Affected:
V3.5.18.0 , < V3.5.18.0
(custom)
|
|
| CODESYS | CODESYS Remote Target Visu Toolkit |
Affected:
V3.5.18.0 , < V3.5.18.0
(custom)
|
|
| CODESYS | CODESYS Control for BeagleBone SL |
Affected:
V4.5.0.0 , < V4.5.0.0
(custom)
|
|
| CODESYS | CODESYS Control for Beckhoff CX9020 SL |
Affected:
V4.5.0.0 , < V4.5.0.0
(custom)
|
|
| CODESYS | CODESYS Control for emPC-A/iMX6 SL |
Affected:
V4.5.0.0 , < V4.5.0.0
(custom)
|
|
| CODESYS | CODESYS Control for IOT2000 SL |
Affected:
V4.5.0.0 , < V4.5.0.0
(custom)
|
|
| CODESYS | CODESYS Control for Linux SL |
Affected:
V4.5.0.0 , < V4.5.0.0
(custom)
|
|
| CODESYS | CODESYS Control for PFC100 SL |
Affected:
V4.5.0.0 , < V4.5.0.0
(custom)
|
|
| CODESYS | CODESYS Control for PFC200 SL |
Affected:
V4.5.0.0 , < V4.5.0.0
(custom)
|
|
| CODESYS | CODESYS Control for PLCnext SL |
Affected:
V4.5.0.0 , < V4.5.0.0
(custom)
|
|
| CODESYS | CODESYS Control for Raspberry Pi SL |
Affected:
V4.5.0.0 , < V4.5.0.0
(custom)
|
|
| CODESYS | CODESYS Control for WAGO Touch Panels 600 SL |
Affected:
V4.5.0.0 , < V4.5.0.0
(custom)
|
|
| CODESYS | CODESYS Edge Gateway for Linux |
Affected:
V4.5.0.0 , < V4.5.0.0
(custom)
|
Date Public
2022-04-06 00:00
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CVE-2022-22232 (GCVE-0-2022-22232)
Vulnerability from cvelistv5 – Published: 2022-10-18 02:46 – Updated: 2025-05-09 18:10
VLAI
EPSS
VEX
Title
SRX Series: If Unified Threat Management (UTM) Enhanced Content Filtering (CF) is enabled and specific traffic is processed the PFE will crash
Summary
A NULL Pointer Dereference vulnerability in the Packet Forwarding Engine of Juniper Networks Junos OS on SRX Series allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS). On SRX Series If Unified Threat Management (UTM) Enhanced Content Filtering (CF) is enabled and specific transit traffic is processed the PFE will crash and restart. This issue affects Juniper Networks Junos OS: 21.4 versions prior to 21.4R1-S2, 21.4R2 on SRX Series; 22.1 versions prior to 22.1R1-S1, 22.1R2 on SRX Series. This issue does not affect Juniper Networks Junos OS versions prior to 21.4R1.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-05-09 18:10 UTC
CWE
- CWE-476 - NULL Pointer Dereference
- Denial of Service (DoS)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://kb.juniper.net/JSA69886 |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Juniper Networks | Junos OS |
Unaffected:
unspecified , < 21.4R1
(custom)
Affected: 21.4 , < 21.4R1-S2, 21.4R2 (custom) Affected: 22.1 , < 22.1R1-S1, 22.1R2 (custom) |
Date Public
2022-10-12 00:00
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CVE-2022-22210 (GCVE-0-2022-22210)
Vulnerability from cvelistv5 – Published: 2022-07-20 14:15 – Updated: 2024-09-16 16:33
VLAI
EPSS
VEX
Title
Junos OS: QFX5000 Series and MX Series: An l2alm crash leading to an FPC crash can be observed in VxLAN scenario
Summary
A NULL Pointer Dereference vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS on QFX5000 Series and MX Series allows an unauthenticated adjacent attacker to cause a Denial of Service (DoS). On QFX5K Series and MX Series, when the PFE receives a specific VxLAN packet the Layer 2 Address Learning Manager (L2ALM) process will crash leading to an FPC reboot. Continued receipt of this specific packet will create a sustained Denial of Service (DoS) condition. This issue affects Juniper Networks Junos OS on QFX5000 Series, MX Series: 20.3 versions prior to 20.3R3-S3; 20.4 versions prior to 20.4R3-S2; 21.2 versions prior to 21.2R2-S1. This issue does not affect Juniper Networks Junos OS: All versions prior to 20.3R1; 21.1 version 21.1R1 and later versions.
Severity
6.5 (Medium)
CWE
- CWE-476 - NULL Pointer Dereference
- Denial of Service (DoS)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://kb.juniper.net/JSA69714 | x_refsource_CONFIRM |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Juniper Networks | Junos OS |
Affected:
20.3 , < 20.3R3-S3
(custom)
Affected: 20.4 , < 20.4R3-S2 (custom) Affected: 21.2 , < 21.2R2-S1 (custom) |
|
| Juniper Networks | Junos OS |
Unaffected:
unspecified , < 20.3R1
(custom)
Unaffected: 21.1R1 , < 21.1* (custom) |
Date Public
2022-07-13 00:00
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"platform": "QFX5000 Series, MX Series",
"version_affected": "\u003c",
"version_name": "21.2",
"version_value": "21.2R2-S1"
},
{
"version_affected": "!\u003c",
"version_value": "20.3R1"
},
{
"version_affected": "!\u003e=",
"version_name": "21.1",
"version_value": "21.1R1"
}
]
}
}
]
},
"vendor_name": "Juniper Networks"
}
]
}
},
"configuration": [
{
"lang": "en",
"value": "For a device to be affected a VxLAN configuration like in the following examples will need to be present:\n\n [ vlans vlan-name vxlan \u2026 ]\nor\n [ bridge-domains bridge-domain-name vxlan\u2026 ]"
}
],
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "A NULL Pointer Dereference vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS on QFX5000 Series and MX Series allows an unauthenticated adjacent attacker to cause a Denial of Service (DoS). On QFX5K Series and MX Series, when the PFE receives a specific VxLAN packet the Layer 2 Address Learning Manager (L2ALM) process will crash leading to an FPC reboot. Continued receipt of this specific packet will create a sustained Denial of Service (DoS) condition. This issue affects Juniper Networks Junos OS on QFX5000 Series, MX Series: 20.3 versions prior to 20.3R3-S3; 20.4 versions prior to 20.4R3-S2; 21.2 versions prior to 21.2R2-S1. This issue does not affect Juniper Networks Junos OS: All versions prior to 20.3R1; 21.1 version 21.1R1 and later versions."
}
]
},
"exploit": [
{
"lang": "en",
"value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability."
}
],
"generator": {
"engine": "Vulnogram 0.0.9"
},
"impact": {
"cvss": {
"attackComplexity": "LOW",
"attackVector": "ADJACENT_NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-476 NULL Pointer Dereference"
}
]
},
{
"description": [
{
"lang": "eng",
"value": "Denial of Service (DoS)"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://kb.juniper.net/JSA69714",
"refsource": "CONFIRM",
"url": "https://kb.juniper.net/JSA69714"
}
]
},
"solution": [
{
"lang": "en",
"value": "The following software releases have been updated to resolve this specific issue: 20.3R3-S3, 20.4R3-S2, 21.2R2-S1, and all subsequent releases."
}
],
"source": {
"advisory": "JSA69714",
"defect": [
"1636853"
],
"discovery": "USER"
},
"work_around": [
{
"lang": "en",
"value": "There are no viable workarounds for this issue."
}
]
}
}
},
"cveMetadata": {
"assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968",
"assignerShortName": "juniper",
"cveId": "CVE-2022-22210",
"datePublished": "2022-07-20T14:15:08.004Z",
"dateReserved": "2021-12-21T00:00:00.000Z",
"dateUpdated": "2024-09-16T16:33:29.201Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
Mitigation MIT-56
Implementation
For any pointers that could have been modified or provided from a function that can return NULL, check the pointer for NULL before use. When working with a multithreaded or otherwise asynchronous environment, ensure that proper locking APIs are used to lock before the check, and unlock when it has finished [REF-1484].
Mitigation
Requirements
Select a programming language that is not susceptible to these issues.
Mitigation
Implementation
Check the results of all functions that return a value and verify that the value is non-null before acting upon it.
Mitigation
Architecture and Design
Identify all variables and data stores that receive information from external sources, and apply input validation to make sure that they are only initialized to expected values.
Mitigation
Implementation
Explicitly initialize all variables and other data stores, either during declaration or just before the first usage.
No CAPEC attack patterns related to this CWE.