Common Weakness Enumeration
CWE-670
Allowed-with-ReviewAlways-Incorrect Control Flow Implementation
Abstraction: Class · Status: Draft
The code contains a control flow path that does not reflect the algorithm that the path is intended to implement, leading to incorrect behavior any time this path is navigated.
228 vulnerabilities reference this CWE, most recent first.
CVE-2021-34767 (GCVE-0-2021-34767)
Vulnerability from cvelistv5 – Published: 2021-09-23 02:26 – Updated: 2024-11-07 21:58
VLAI
EPSS
VEX
Title
Cisco IOS XE Software for Catalyst 9800 Series Wireless Controllers IPv6 Denial of Service Vulnerability
Summary
A vulnerability in IPv6 traffic processing of Cisco IOS XE Wireless Controller Software for Cisco Catalyst 9000 Family Wireless Controllers could allow an unauthenticated, adjacent attacker to cause a Layer 2 (L2) loop in a configured VLAN, resulting in a denial of service (DoS) condition for that VLAN. The vulnerability is due to a logic error when processing specific link-local IPv6 traffic. An attacker could exploit this vulnerability by sending a crafted IPv6 packet that would flow inbound through the wired interface of an affected device. A successful exploit could allow the attacker to cause traffic drops in the affected VLAN, thus triggering the DoS condition.
Severity
7.4 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-11-07 21:40 UTC
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://tools.cisco.com/security/center/content/C… | vendor-advisoryx_refsource_CISCO |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco IOS XE Software |
Affected:
n/a
|
Date Public
2021-09-22 00:00
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CVE-2021-32684 (GCVE-0-2021-32684)
Vulnerability from cvelistv5 – Published: 2021-06-14 23:05 – Updated: 2024-08-03 23:25
VLAI
EPSS
VEX
Title
Missing Handler in @scandipwa/magento-scripts
Summary
magento-scripts contains scripts and configuration used by Create Magento App, a zero-configuration tool-chain which allows one to deploy Magento 2. In versions 1.5.1 and 1.5.2, after changing the function from synchronous to asynchronous there wasn't implemented handler in the start, stop, exec, and logs commands, effectively making them unusable. Version 1.5.3 contains patches for the problems.
Severity
6.2 (Medium)
CWE
- CWE-670 - Always-Incorrect Control Flow Implementation
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/scandipwa/create-magento-app/s… | x_refsource_CONFIRM |
| https://github.com/scandipwa/create-magento-app/c… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| scandipwa | create-magento-app |
Affected:
>= 1.5.1, <= 1.5.2
|
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CVE-2021-1236 (GCVE-0-2021-1236)
Vulnerability from cvelistv5 – Published: 2021-01-13 21:17 – Updated: 2024-11-12 20:48
VLAI
EPSS
VEX
Title
Multiple Cisco Products Snort Application Detection Engine Policy Bypass Vulnerability
Summary
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Severity
4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-11-08 20:55 UTC
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://tools.cisco.com/security/center/content/C… | vendor-advisory |
| https://lists.debian.org/debian-lts-announce/2023… | mailing-list |
| https://www.debian.org/security/2023/dsa-5354 | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco Firepower Threat Defense Software |
Affected:
n/a
|
Date Public
2021-01-13 00:00
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CVE-2021-0273 (GCVE-0-2021-0273)
Vulnerability from cvelistv5 – Published: 2021-04-22 19:37 – Updated: 2024-09-17 00:26
VLAI
EPSS
VEX
Title
Junos OS and Junos OS Evolved: Trio Chipset: Denial of Service due to packet destined to device's interfaces.
Summary
An always-incorrect control flow implementation in the implicit filter terms of Juniper Networks Junos OS and Junos OS Evolved on ACX5800, EX9200 Series, MX10000 Series, MX240, MX480, MX960 devices with affected Trio line cards allows an attacker to exploit an interdependency in the PFE UCODE microcode of the Trio chipset with various line cards to cause packets destined to the devices interfaces to cause a Denial of Service (DoS) condition by looping the packet with an unreachable exit condition ('Infinite Loop'). To break this loop once it begins one side of the affected LT interfaces will need to be disabled. Once disabled, the condition will clear and the disabled LT interface can be reenabled. Continued receipt and processing of these packets will create a sustained Denial of Service (DoS) condition. This issue only affects LT-LT interfaces. Any other interfaces are not affected by this issue. This issue affects the following cards: MPCE Type 3 3D MPC4E 3D 32XGE MPC4E 3D 2CGE+8XGE EX9200 32x10G SFP EX9200-2C-8XS FPC Type 5-3D FPC Type 5-LSR EX9200 4x40G QSFP An Indicator of Compromise (IoC) can be seen by examining the traffic of the LT-LT interfaces for excessive traffic using the following command: monitor interface traffic Before loop impact: Interface: lt-2/0/0, Enabled, Link is Up Encapsulation: Logical-tunnel, Speed: 100000mbps Traffic statistics: Current delta Input bytes: 3759900268942 (1456 bps) [0] <---------- LT interface utilization is low Output bytes: 3759900344309 (1456 bps) [0] <---------- LT interface utilization is low After loop impact: Interface: lt-2/0/0, Enabled, Link is Up Encapsulation: Logical-tunnel, Speed: 100000mbps Traffic statistics: Current delta Input bytes: 3765160313129 (2158268368 bps) [5260044187] <---------- LT interface utilization is very high Output bytes: 3765160399522 (2158266440 bps) [5260055213] <---------- LT interface utilization is very high This issue affects: Juniper Networks Junos OS on ACX5800, EX9200 Series, MX10000 Series, MX240, MX480, MX960. Versions 15.1F6, 16.1R1, and later versions prior to 16.1R7-S8; 17.1 versions prior to 17.1R2-S12; 17.2 versions prior to 17.2R3-S4; 17.3 versions prior to 17.3R3-S8; 17.4 versions prior to 17.4R2-S10, 17.4R3-S2; 18.1 versions prior to 18.1R3-S10; 18.2 versions prior to 18.2R2-S7, 18.2R3-S3; 18.3 versions prior to 18.3R1-S7, 18.3R3-S2; 18.4 versions prior to 18.4R1-S7, 18.4R2-S4, 18.4R3-S2; 19.1 versions prior to 19.1R1-S5, 19.1R2-S1, 19.1R3; 19.2 versions prior to 19.2R1-S4, 19.2R2; 19.3 versions prior to 19.3R2-S3, 19.3R3; 19.4 versions prior to 19.4R1-S1, 19.4R2. This issue does not affect the MX10001. This issue does not affect Juniper Networks Junos OS versions prior to 15.1F6, 16.1R1. Juniper Networks Junos OS Evolved on ACX5800, EX9200 Series, MX10000 Series, MX240, MX480, MX960 19.4 versions prior to 19.4R2-EVO. This issue does not affect the MX10001.
Severity
5.3 (Medium)
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://kb.juniper.net/JSA11164 | x_refsource_MISC |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Juniper Networks | Junos OS |
Unaffected:
unspecified , < 15.1F6, 16.1R1
(custom)
Affected: 15.1F6 , < 15.1* (custom) Affected: 16.1R1 , < 16.1* (custom) Affected: 17.1 , < 17.1R2-S12 (custom) Affected: 17.2 , < 17.2R3-S4 (custom) Affected: 17.3 , < 17.3R3-S8 (custom) Affected: 17.4 , < 17.4R2-S10, 17.4R3-S2 (custom) Affected: 18.1 , < 18.1R3-S10 (custom) Affected: 18.2 , < 18.2R2-S7, 18.2R3-S3 (custom) Affected: 18.3 , < 18.3R1-S7, 18.3R3-S2 (custom) Affected: 18.4 , < 18.4R1-S7, 18.4R2-S4, 18.4R3-S2 (custom) Affected: 19.1 , < 19.1R1-S5, 19.1R2-S1, 19.1R3 (custom) Affected: 19.2 , < 19.2R1-S4, 19.2R2 (custom) Affected: 19.3 , < 19.3R2-S3, 19.3R3 (custom) Affected: 19.4 , < 19.4R1-S1, 19.4R2 (custom) |
|
| Juniper Networks | Junos OS Evolved |
Affected:
19.4 , < 19.4R2-EVO
(custom)
|
Date Public
2021-04-14 00:00
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"title": "Junos OS and Junos OS Evolved: Trio Chipset: Denial of Service due to packet destined to device\u0027s interfaces.",
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{
"lang": "en",
"value": "The following software releases have been updated to resolve this specific issue:\n\nJunos OS: 16.1R7-S8, 17.1R2-S12, 17.2R3-S4, 17.3R3-S8, 17.4R2-S10, 17.4R3-S2, 18.1R3-S10, 18.2R2-S7, 18.2R3-S3, 18.3R1-S7, 18.3R3-S2, 18.4R1-S7, 18.4R2-S4, 18.4R3-S2, 19.1R1-S5, 19.1R2-S1, 19.1R3, 19.2R1-S4, 19.2R2, 19.3R2-S3, 19.3R3, 19.4R1-S1, 19.4R2, 20.1R1, and all subsequent releases.\n\nJunos OS Evolved: 19.4R2-EVO, 20.1R1-EVO, and all subsequent releases."
}
],
"source": {
"advisory": "JSA11164",
"defect": [
"1478759"
],
"discovery": "USER"
},
"work_around": [
{
"lang": "en",
"value": "There are no available workarounds for this issue."
}
]
}
}
},
"cveMetadata": {
"assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968",
"assignerShortName": "juniper",
"cveId": "CVE-2021-0273",
"datePublished": "2021-04-22T19:37:28.349Z",
"dateReserved": "2020-10-27T00:00:00.000Z",
"dateUpdated": "2024-09-17T00:26:18.087Z",
"state": "PUBLISHED"
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"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
CVE-2020-1914 (GCVE-0-2020-1914)
Vulnerability from cvelistv5 – Published: 2020-10-08 18:50 – Updated: 2024-08-04 06:53
VLAI
EPSS
VEX
Summary
A logic vulnerability when handling the SaveGeneratorLong instruction in Facebook Hermes prior to commit b2021df620824627f5a8c96615edbd1eb7fdddfc allows attackers to potentially read out of bounds or theoretically execute arbitrary code via crafted JavaScript. Note that this is only exploitable if the application using Hermes permits evaluation of untrusted JavaScript. Hence, most React Native applications are not affected.
Severity
No CVSS data available.
CWE
- CWE-670 - Always-Incorrect Control Flow Implementation, CWE-1119: Excessive Use of Unconditional Branching
References
2 references
| URL | Tags |
|---|---|
| https://www.facebook.com/security/advisories/cve-… | x_refsource_CONFIRM |
| https://github.com/facebook/hermes/commit/b2021df… | x_refsource_CONFIRM |
Impacted products
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"references": [
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"url": "https://www.facebook.com/security/advisories/cve-2020-1914"
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"url": "https://github.com/facebook/hermes/commit/b2021df620824627f5a8c96615edbd1eb7fdddfc"
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"url": "https://www.facebook.com/security/advisories/cve-2020-1914"
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{
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"url": "https://github.com/facebook/hermes/commit/b2021df620824627f5a8c96615edbd1eb7fdddfc"
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],
"x_legacyV4Record": {
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GHSA-228Q-PR2F-PGHM
Vulnerability from github – Published: 2022-05-24 16:57 – Updated: 2022-05-24 16:57
VLAI
Details
** DISPUTED ** The WebRTC component in the Signal Private Messenger application through 4.47.7 for Android processes videoconferencing RTP packets before a callee chooses to answer a call, which might make it easier for remote attackers to cause a denial of service or possibly have unspecified other impact via malformed packets. NOTE: the vendor plans to continue this behavior for performance reasons unless a WebRTC design change occurs.
Severity
9.8 (Critical)
{
"affected": [],
"aliases": [
"CVE-2019-17192"
],
"database_specific": {
"cwe_ids": [
"CWE-20",
"CWE-670"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2019-10-05T02:15:00Z",
"severity": "CRITICAL"
},
"details": "** DISPUTED ** The WebRTC component in the Signal Private Messenger application through 4.47.7 for Android processes videoconferencing RTP packets before a callee chooses to answer a call, which might make it easier for remote attackers to cause a denial of service or possibly have unspecified other impact via malformed packets. NOTE: the vendor plans to continue this behavior for performance reasons unless a WebRTC design change occurs.",
"id": "GHSA-228q-pr2f-pghm",
"modified": "2022-05-24T16:57:55Z",
"published": "2022-05-24T16:57:55Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2019-17192"
},
{
"type": "WEB",
"url": "https://bugs.chromium.org/p/project-zero/issues/detail?id=1936"
},
{
"type": "WEB",
"url": "https://news.ycombinator.com/item?id=21161432"
},
{
"type": "WEB",
"url": "https://twitter.com/moxie/status/1180226374851710976"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-256G-W77V-WXMX
Vulnerability from github – Published: 2025-03-24 21:30 – Updated: 2025-03-26 15:32
VLAI
Details
An issue in onos v2.7.0 allows attackers to trigger unexpected behavior within a device connected to a legacy switch via changing the link type from indirect to direct.
Severity
9.1 (Critical)
{
"affected": [],
"aliases": [
"CVE-2025-29312"
],
"database_specific": {
"cwe_ids": [
"CWE-670"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-03-24T21:15:18Z",
"severity": "CRITICAL"
},
"details": "An issue in onos v2.7.0 allows attackers to trigger unexpected behavior within a device connected to a legacy switch via changing the link type from indirect to direct.",
"id": "GHSA-256g-w77v-wxmx",
"modified": "2025-03-26T15:32:36Z",
"published": "2025-03-24T21:30:33Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-29312"
},
{
"type": "WEB",
"url": "https://gist.github.com/Saber-Berserker/4e54c2aa70abab2b133ce2c2b7e91249"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-2595-PF9F-6G58
Vulnerability from github – Published: 2026-03-03 09:30 – Updated: 2026-05-04 15:31
VLAI
Details
Always-Incorrect Control Flow Implementation vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series FX5-ENET/IP Ethernet Module FX5-ENET/IP versions 1.106 and prior and Mitsubishi Electric Corporation MELSEC iQ-F Series FX5-EIP EtherNet/IP Module FX5-EIP all versions allows a remote attacker to cause a denial-of-service (DoS) condition on the products by continuously sending UDP packets to the products. A system reset of the product is required for recovery.
Severity
{
"affected": [],
"aliases": [
"CVE-2026-1874"
],
"database_specific": {
"cwe_ids": [
"CWE-670"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-03-03T07:16:10Z",
"severity": "HIGH"
},
"details": "Always-Incorrect Control Flow Implementation vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series FX5-ENET/IP Ethernet Module FX5-ENET/IP versions 1.106 and prior and Mitsubishi Electric Corporation MELSEC iQ-F Series FX5-EIP EtherNet/IP Module FX5-EIP all versions allows a remote attacker to cause a denial-of-service (DoS) condition on the products by continuously sending UDP packets to the products. A system reset of the product is required for recovery.",
"id": "GHSA-2595-pf9f-6g58",
"modified": "2026-05-04T15:31:07Z",
"published": "2026-03-03T09:30:48Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-1874"
},
{
"type": "WEB",
"url": "https://jvn.jp/vu/JVNVU93286687"
},
{
"type": "WEB",
"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-26-62-01"
},
{
"type": "WEB",
"url": "https://www.mitsubishielectric.com/psirt/vulnerability/pdf/2025-021_en.pdf"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"type": "CVSS_V4"
}
]
}
GHSA-26PG-G54Q-JV62
Vulnerability from github – Published: 2026-04-12 21:30 – Updated: 2026-04-12 21:30
VLAI
Details
Varnish Cache 9 before 9.0.1 and Varnish Enterprise before 6.0.16r11 allows a "workspace overflow" denial of service (daemon panic) for certain amounts of prefetched data. The setup of an HTTP/2 session starts with a speculative HTTP/1 transport, and upon upgrading to h2 the HTTP/1 request is repurposed as stream zero. During the upgrade, a buffer allocation is made to reserve space to send frames to the client. This allocation would split the original workspace, and depending on the amount of prefetched data, the next fetch could perform a pipelining operation that would run out of workspace.
Severity
4.0 (Medium)
{
"affected": [],
"aliases": [
"CVE-2026-40394"
],
"database_specific": {
"cwe_ids": [
"CWE-670"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-04-12T20:16:17Z",
"severity": "MODERATE"
},
"details": "Varnish Cache 9 before 9.0.1 and Varnish Enterprise before 6.0.16r11 allows a \"workspace overflow\" denial of service (daemon panic) for certain amounts of prefetched data. The setup of an HTTP/2 session starts with a speculative HTTP/1 transport, and upon upgrading to h2 the HTTP/1 request is repurposed as stream zero. During the upgrade, a buffer allocation is made to reserve space to send frames to the client. This allocation would split the original workspace, and depending on the amount of prefetched data, the next fetch could perform a pipelining operation that would run out of workspace.",
"id": "GHSA-26pg-g54q-jv62",
"modified": "2026-04-12T21:30:19Z",
"published": "2026-04-12T21:30:19Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-40394"
},
{
"type": "WEB",
"url": "https://docs.varnish-software.com/security/VEV00002"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:L",
"type": "CVSS_V3"
}
]
}
GHSA-27C2-9CC9-22V7
Vulnerability from github – Published: 2022-05-24 17:29 – Updated: 2022-05-24 17:29
VLAI
Details
An issue was discovered in Xen through 4.14.x. There are missing memory barriers when accessing/allocating an event channel. Event channels control structures can be accessed lockless as long as the port is considered to be valid. Such a sequence is missing an appropriate memory barrier (e.g., smp_*mb()) to prevent both the compiler and CPU from re-ordering access. A malicious guest may be able to cause a hypervisor crash resulting in a Denial of Service (DoS). Information leak and privilege escalation cannot be excluded. Systems running all versions of Xen are affected. Whether a system is vulnerable will depend on the CPU and compiler used to build Xen. For all systems, the presence and the scope of the vulnerability depend on the precise re-ordering performed by the compiler used to build Xen. We have not been able to survey compilers; consequently we cannot say which compiler(s) might produce vulnerable code (with which code generation options). GCC documentation clearly suggests that re-ordering is possible. Arm systems will also be vulnerable if the CPU is able to re-order memory access. Please consult your CPU vendor. x86 systems are only vulnerable if a compiler performs re-ordering.
Severity
7.8 (High)
{
"affected": [],
"aliases": [
"CVE-2020-25603"
],
"database_specific": {
"cwe_ids": [
"CWE-401",
"CWE-670"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2020-09-23T22:15:00Z",
"severity": "HIGH"
},
"details": "An issue was discovered in Xen through 4.14.x. There are missing memory barriers when accessing/allocating an event channel. Event channels control structures can be accessed lockless as long as the port is considered to be valid. Such a sequence is missing an appropriate memory barrier (e.g., smp_*mb()) to prevent both the compiler and CPU from re-ordering access. A malicious guest may be able to cause a hypervisor crash resulting in a Denial of Service (DoS). Information leak and privilege escalation cannot be excluded. Systems running all versions of Xen are affected. Whether a system is vulnerable will depend on the CPU and compiler used to build Xen. For all systems, the presence and the scope of the vulnerability depend on the precise re-ordering performed by the compiler used to build Xen. We have not been able to survey compilers; consequently we cannot say which compiler(s) might produce vulnerable code (with which code generation options). GCC documentation clearly suggests that re-ordering is possible. Arm systems will also be vulnerable if the CPU is able to re-order memory access. Please consult your CPU vendor. x86 systems are only vulnerable if a compiler performs re-ordering.",
"id": "GHSA-27c2-9cc9-22v7",
"modified": "2022-05-24T17:29:23Z",
"published": "2022-05-24T17:29:23Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2020-25603"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4JRXMKEMQRQYWYEPHVBIWUEAVQ3LU4FN"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DA633Y3G5KX7MKRN4PFEGM3IVTJMBEOM"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RJZERRBJN6E6STDCHT4JHP4MI6TKBCJE"
},
{
"type": "WEB",
"url": "https://security.gentoo.org/glsa/202011-06"
},
{
"type": "WEB",
"url": "https://www.debian.org/security/2020/dsa-4769"
},
{
"type": "WEB",
"url": "https://xenbits.xen.org/xsa/advisory-340.html"
},
{
"type": "WEB",
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00008.html"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
No mitigation information available for this CWE.
No CAPEC attack patterns related to this CWE.