Vulnerability Monitor

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CVE-2024-20307


A vulnerability in the IKEv1 fragmentation code of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a heap overflow, resulting in an affected device reloading. This vulnerability exists because crafted, fragmented IKEv1 packets are not properly reassembled. An attacker could exploit this vulnerability by sending crafted UDP packets to an affected system. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS condition. Note: Only traffic that is directed to the affected system can be used to exploit this vulnerability. This vulnerability can be triggered by IPv4 and IPv6 traffic.


Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 6.8, indicating it can be exploited remotely over the network but requires specific conditions to be met without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts and availability (service disruption) for affected systems. Impacting 2 products from cisco, from cisco organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2024, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.


Published

2024-03-27T18:15:09.357

Last Modified

2025-07-30T12:59:13.987

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 6.8 (MEDIUM)

Weaknesses
  • Type: Secondary
    CWE-121

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System cisco ios 15.1\(2\)sg8 Yes
Operating System cisco ios 15.1\(2\)sy8 Yes
Operating System cisco ios 15.1\(2\)sy9 Yes
Operating System cisco ios 15.1\(2\)sy10 Yes
Operating System cisco ios 15.1\(2\)sy11 Yes
Operating System cisco ios 15.1\(2\)sy12 Yes
Operating System cisco ios 15.1\(2\)sy13 Yes
Operating System cisco ios 15.1\(2\)sy14 Yes
Operating System cisco ios 15.1\(2\)sy15 Yes
Operating System cisco ios 15.1\(2\)sy16 Yes
Operating System cisco ios 15.2\(1\)sy3 Yes
Operating System cisco ios 15.2\(1\)sy4 Yes
Operating System cisco ios 15.2\(1\)sy5 Yes
Operating System cisco ios 15.2\(1\)sy6 Yes
Operating System cisco ios 15.2\(1\)sy7 Yes
Operating System cisco ios 15.2\(1\)sy8 Yes
Operating System cisco ios 15.2\(3\)e4 Yes
Operating System cisco ios 15.2\(3\)e5 Yes
Operating System cisco ios 15.2\(4\)e2 Yes
Operating System cisco ios 15.2\(4\)e3 Yes
Operating System cisco ios 15.2\(4\)e4 Yes
Operating System cisco ios 15.2\(4\)e5 Yes
Operating System cisco ios 15.2\(4\)e5a Yes
Operating System cisco ios 15.2\(4\)e6 Yes
Operating System cisco ios 15.2\(4\)e7 Yes
Operating System cisco ios 15.2\(4\)e8 Yes
Operating System cisco ios 15.2\(4\)e9 Yes
Operating System cisco ios 15.2\(4\)e10 Yes
Operating System cisco ios 15.2\(4\)e10a Yes
Operating System cisco ios 15.2\(4\)e10d Yes
Operating System cisco ios 15.2\(4\)ea4 Yes
Operating System cisco ios 15.2\(4\)ea5 Yes
Operating System cisco ios 15.2\(4\)ea6 Yes
Operating System cisco ios 15.2\(4\)ea7 Yes
Operating System cisco ios 15.2\(4\)ea8 Yes
Operating System cisco ios 15.2\(4\)ea9 Yes
Operating System cisco ios 15.2\(4\)ea9a Yes
Operating System cisco ios 15.2\(4\)ec1 Yes
Operating System cisco ios 15.2\(4\)ec2 Yes
Operating System cisco ios 15.2\(4\)m11 Yes
Operating System cisco ios 15.2\(5\)e Yes
Operating System cisco ios 15.2\(5\)ea Yes
Operating System cisco ios 15.2\(5b\)e Yes
Operating System cisco ios 15.3\(1\)sy1 Yes
Operating System cisco ios 15.3\(1\)sy2 Yes
Operating System cisco ios 15.3\(3\)jpi11 Yes
Operating System cisco ios 15.3\(3\)m8 Yes
Operating System cisco ios 15.3\(3\)m8a Yes
Operating System cisco ios 15.3\(3\)m9 Yes
Operating System cisco ios 15.3\(3\)m10 Yes
Operating System cisco ios 15.3\(3\)s8 Yes
Operating System cisco ios 15.3\(3\)s8a Yes
Operating System cisco ios 15.3\(3\)s9 Yes
Operating System cisco ios 15.3\(3\)s10 Yes
Operating System cisco ios 15.4\(1\)sy Yes
Operating System cisco ios 15.4\(1\)sy1 Yes
Operating System cisco ios 15.4\(1\)sy2 Yes
Operating System cisco ios 15.4\(1\)sy3 Yes
Operating System cisco ios 15.4\(1\)sy4 Yes
Operating System cisco ios 15.4\(3\)s6 Yes
Operating System cisco ios 15.4\(3\)s6a Yes
Operating System cisco ios 15.4\(3\)s7 Yes
Operating System cisco ios 15.4\(3\)s8 Yes
Operating System cisco ios 15.4\(3\)s9 Yes
Operating System cisco ios 15.4\(3\)s10 Yes
Operating System cisco ios 15.5\(1\)s4 Yes
Operating System cisco ios 15.5\(1\)sy Yes
Operating System cisco ios 15.5\(1\)sy1 Yes
Operating System cisco ios 15.5\(1\)sy2 Yes
Operating System cisco ios 15.5\(1\)sy3 Yes
Operating System cisco ios 15.5\(1\)sy4 Yes
Operating System cisco ios 15.5\(1\)sy5 Yes
Operating System cisco ios 15.5\(1\)sy6 Yes
Operating System cisco ios 15.5\(1\)sy7 Yes
Operating System cisco ios 15.5\(1\)sy8 Yes
Operating System cisco ios 15.5\(1\)sy9 Yes
Operating System cisco ios 15.5\(1\)sy10 Yes
Operating System cisco ios 15.5\(1\)sy11 Yes
Operating System cisco ios 15.5\(2\)s4 Yes
Operating System cisco ios 15.5\(2\)t4 Yes
Operating System cisco ios 15.5\(3\)m3 Yes
Operating System cisco ios 15.5\(3\)m4 Yes
Operating System cisco ios 15.5\(3\)m4a Yes
Operating System cisco ios 15.5\(3\)m5 Yes
Operating System cisco ios 15.5\(3\)m6 Yes
Operating System cisco ios 15.5\(3\)m6a Yes
Operating System cisco ios 15.5\(3\)m7 Yes
Operating System cisco ios 15.5\(3\)m8 Yes
Operating System cisco ios 15.5\(3\)m9 Yes
Operating System cisco ios 15.5\(3\)m10 Yes
Operating System cisco ios 15.5\(3\)s3 Yes
Operating System cisco ios 15.5\(3\)s4 Yes
Operating System cisco ios 15.5\(3\)s5 Yes
Operating System cisco ios 15.5\(3\)s6 Yes
Operating System cisco ios 15.5\(3\)s6a Yes
Operating System cisco ios 15.5\(3\)s6b Yes
Operating System cisco ios 15.5\(3\)s7 Yes
Operating System cisco ios 15.5\(3\)s8 Yes
Operating System cisco ios 15.5\(3\)s9 Yes
Operating System cisco ios 15.5\(3\)s9a Yes
Operating System cisco ios 15.5\(3\)s10 Yes
Operating System cisco ios 15.7\(3\)m Yes
Operating System cisco ios 15.7\(3\)m0a Yes
Operating System cisco ios 15.7\(3\)m1 Yes
Operating System cisco ios 15.7\(3\)m2 Yes
Operating System cisco ios 15.7\(3\)m3 Yes
Operating System cisco ios 15.7\(3\)m4 Yes
Operating System cisco ios 15.7\(3\)m4a Yes
Operating System cisco ios 15.7\(3\)m4b Yes
Operating System cisco ios 15.7\(3\)m5 Yes
Operating System cisco ios 15.7\(3\)m6 Yes
Operating System cisco ios 15.7\(3\)m7 Yes
Operating System cisco ios 15.7\(3\)m8 Yes
Operating System cisco ios 15.7\(3\)m9 Yes
Operating System cisco ios 15.8\(3\)m Yes
Operating System cisco ios 15.8\(3\)m0a Yes
Operating System cisco ios 15.8\(3\)m0b Yes
Operating System cisco ios 15.8\(3\)m1 Yes
Operating System cisco ios 15.8\(3\)m1a Yes
Operating System cisco ios 15.8\(3\)m2 Yes
Operating System cisco ios 15.8\(3\)m2a Yes
Operating System cisco ios 15.8\(3\)m3 Yes
Operating System cisco ios 15.8\(3\)m3a Yes
Operating System cisco ios 15.8\(3\)m3b Yes
Operating System cisco ios 15.8\(3\)m4 Yes
Operating System cisco ios 15.8\(3\)m5 Yes
Operating System cisco ios 15.8\(3\)m6 Yes
Operating System cisco ios 15.8\(3\)m7 Yes
Operating System cisco ios 15.8\(3\)m8 Yes
Operating System cisco ios 15.8\(3\)m9 Yes
Operating System cisco ios 15.8\(3\)m10 Yes
Operating System cisco ios 15.9\(3\)m Yes
Operating System cisco ios 15.9\(3\)m0a Yes
Operating System cisco ios 15.9\(3\)m1 Yes
Operating System cisco ios 15.9\(3\)m2 Yes
Operating System cisco ios 15.9\(3\)m2a Yes
Operating System cisco ios 15.9\(3\)m3 Yes
Operating System cisco ios 15.9\(3\)m3a Yes
Operating System cisco ios 15.9\(3\)m3b Yes
Operating System cisco ios 15.9\(3\)m4 Yes
Operating System cisco ios 15.9\(3\)m4a Yes
Operating System cisco ios 15.9\(3\)m5 Yes
Operating System cisco ios 15.9\(3\)m6 Yes
Operating System cisco ios 15.9\(3\)m6a Yes
Operating System cisco ios 15.9\(3\)m6b Yes
Operating System cisco ios 15.9\(3\)m7 Yes
Operating System cisco ios 15.9\(3\)m7a Yes
Operating System cisco ios_xe 3.4.8sg Yes
Operating System cisco ios_xe 3.7.4e Yes
Operating System cisco ios_xe 3.7.5e Yes
Operating System cisco ios_xe 3.8.2e Yes
Operating System cisco ios_xe 3.8.3e Yes
Operating System cisco ios_xe 3.8.4e Yes
Operating System cisco ios_xe 3.8.5ae Yes
Operating System cisco ios_xe 3.8.5e Yes
Operating System cisco ios_xe 3.8.6e Yes
Operating System cisco ios_xe 3.8.7e Yes
Operating System cisco ios_xe 3.8.8e Yes
Operating System cisco ios_xe 3.8.9e Yes
Operating System cisco ios_xe 3.8.10e Yes
Operating System cisco ios_xe 3.9.0e Yes
Operating System cisco ios_xe 3.10.8as Yes
Operating System cisco ios_xe 3.10.8s Yes
Operating System cisco ios_xe 3.10.9s Yes
Operating System cisco ios_xe 3.10.10s Yes
Operating System cisco ios_xe 3.13.6as Yes
Operating System cisco ios_xe 3.13.6s Yes
Operating System cisco ios_xe 3.13.7as Yes
Operating System cisco ios_xe 3.13.7s Yes
Operating System cisco ios_xe 3.13.8s Yes
Operating System cisco ios_xe 3.13.9s Yes
Operating System cisco ios_xe 3.13.10s Yes
Operating System cisco ios_xe 3.14.4s Yes
Operating System cisco ios_xe 3.15.4s Yes
Operating System cisco ios_xe 3.16.3as Yes
Operating System cisco ios_xe 3.16.3s Yes
Operating System cisco ios_xe 3.16.4as Yes
Operating System cisco ios_xe 3.16.4bs Yes
Operating System cisco ios_xe 3.16.4ds Yes
Operating System cisco ios_xe 3.16.4s Yes
Operating System cisco ios_xe 3.16.5s Yes
Operating System cisco ios_xe 3.16.6bs Yes
Operating System cisco ios_xe 3.16.6s Yes
Operating System cisco ios_xe 3.16.7as Yes
Operating System cisco ios_xe 3.16.7bs Yes
Operating System cisco ios_xe 3.16.7s Yes
Operating System cisco ios_xe 3.16.8s Yes
Operating System cisco ios_xe 3.16.9s Yes
Operating System cisco ios_xe 3.16.10s Yes
Operating System cisco ios_xe 16.1.3 Yes
Operating System cisco ios_xe 16.2.1 Yes
Operating System cisco ios_xe 16.2.2 Yes
Operating System cisco ios_xe 16.3.1 Yes
Operating System cisco ios_xe 16.3.1a Yes
Operating System cisco ios_xe 16.3.2 Yes
Operating System cisco ios_xe 16.3.3 Yes
Operating System cisco ios_xe 16.3.4 Yes
Operating System cisco ios_xe 16.3.5 Yes
Operating System cisco ios_xe 16.3.5b Yes
Operating System cisco ios_xe 16.3.6 Yes
Operating System cisco ios_xe 16.3.7 Yes
Operating System cisco ios_xe 16.3.8 Yes
Operating System cisco ios_xe 16.3.9 Yes
Operating System cisco ios_xe 16.3.10 Yes
Operating System cisco ios_xe 16.3.11 Yes
Operating System cisco ios_xe 16.4.1 Yes
Operating System cisco ios_xe 16.4.2 Yes
Operating System cisco ios_xe 16.4.3 Yes
Operating System cisco ios_xe 16.5.1 Yes
Operating System cisco ios_xe 16.5.1a Yes
Operating System cisco ios_xe 16.5.1b Yes
Operating System cisco ios_xe 16.5.2 Yes
Operating System cisco ios_xe 16.5.3 Yes
Operating System cisco ios_xe 16.6.1 Yes
Operating System cisco ios_xe 16.6.2 Yes
Operating System cisco ios_xe 16.6.3 Yes
Operating System cisco ios_xe 16.6.4 Yes
Operating System cisco ios_xe 16.6.4a Yes
Operating System cisco ios_xe 16.6.5 Yes
Operating System cisco ios_xe 16.6.5a Yes
Operating System cisco ios_xe 16.6.6 Yes
Operating System cisco ios_xe 16.6.7 Yes
Operating System cisco ios_xe 16.6.8 Yes
Operating System cisco ios_xe 16.6.9 Yes
Operating System cisco ios_xe 16.6.10 Yes
Operating System cisco ios_xe 16.7.1 Yes
Operating System cisco ios_xe 16.7.1a Yes
Operating System cisco ios_xe 16.7.1b Yes
Operating System cisco ios_xe 16.7.2 Yes
Operating System cisco ios_xe 16.7.3 Yes
Operating System cisco ios_xe 16.7.4 Yes
Operating System cisco ios_xe 16.8.1 Yes
Operating System cisco ios_xe 16.8.1a Yes
Operating System cisco ios_xe 16.8.1b Yes
Operating System cisco ios_xe 16.8.1c Yes
Operating System cisco ios_xe 16.8.1d Yes
Operating System cisco ios_xe 16.8.1e Yes
Operating System cisco ios_xe 16.8.1s Yes
Operating System cisco ios_xe 16.8.2 Yes
Operating System cisco ios_xe 16.8.3 Yes
Operating System cisco ios_xe 16.9.1 Yes
Operating System cisco ios_xe 16.9.1a Yes
Operating System cisco ios_xe 16.9.1b Yes
Operating System cisco ios_xe 16.9.1s Yes
Operating System cisco ios_xe 16.9.2 Yes
Operating System cisco ios_xe 16.9.3 Yes
Operating System cisco ios_xe 16.9.3a Yes
Operating System cisco ios_xe 16.9.4 Yes
Operating System cisco ios_xe 16.9.5 Yes
Operating System cisco ios_xe 16.9.5f Yes
Operating System cisco ios_xe 16.9.6 Yes
Operating System cisco ios_xe 16.9.7 Yes
Operating System cisco ios_xe 16.9.8 Yes
Operating System cisco ios_xe 16.10.1 Yes
Operating System cisco ios_xe 16.10.1a Yes
Operating System cisco ios_xe 16.10.1b Yes
Operating System cisco ios_xe 16.10.1c Yes
Operating System cisco ios_xe 16.10.1d Yes
Operating System cisco ios_xe 16.10.1e Yes
Operating System cisco ios_xe 16.10.1f Yes
Operating System cisco ios_xe 16.10.1g Yes
Operating System cisco ios_xe 16.10.1s Yes
Operating System cisco ios_xe 16.10.2 Yes
Operating System cisco ios_xe 16.10.3 Yes
Operating System cisco ios_xe 16.11.1 Yes
Operating System cisco ios_xe 16.11.1a Yes
Operating System cisco ios_xe 16.11.1b Yes
Operating System cisco ios_xe 16.11.1s Yes
Operating System cisco ios_xe 16.11.2 Yes
Operating System cisco ios_xe 16.12.1 Yes
Operating System cisco ios_xe 16.12.1a Yes
Operating System cisco ios_xe 16.12.1c Yes
Operating System cisco ios_xe 16.12.1s Yes
Operating System cisco ios_xe 16.12.1t Yes
Operating System cisco ios_xe 16.12.1w Yes
Operating System cisco ios_xe 16.12.1x Yes
Operating System cisco ios_xe 16.12.1y Yes
Operating System cisco ios_xe 16.12.1z1 Yes
Operating System cisco ios_xe 16.12.1z2 Yes
Operating System cisco ios_xe 16.12.2 Yes
Operating System cisco ios_xe 16.12.2a Yes
Operating System cisco ios_xe 16.12.2s Yes
Operating System cisco ios_xe 16.12.3 Yes
Operating System cisco ios_xe 16.12.3a Yes
Operating System cisco ios_xe 16.12.3s Yes
Operating System cisco ios_xe 16.12.4 Yes
Operating System cisco ios_xe 16.12.4a Yes
Operating System cisco ios_xe 16.12.5 Yes
Operating System cisco ios_xe 16.12.5a Yes
Operating System cisco ios_xe 16.12.5b Yes
Operating System cisco ios_xe 16.12.6 Yes
Operating System cisco ios_xe 16.12.6a Yes
Operating System cisco ios_xe 16.12.7 Yes
Operating System cisco ios_xe 16.12.8 Yes
Operating System cisco ios_xe 16.12.9 Yes
Operating System cisco ios_xe 17.1.1 Yes
Operating System cisco ios_xe 17.1.1a Yes
Operating System cisco ios_xe 17.1.1s Yes
Operating System cisco ios_xe 17.1.1t Yes
Operating System cisco ios_xe 17.1.3 Yes
Operating System cisco ios_xe 17.2.1 Yes
Operating System cisco ios_xe 17.2.1a Yes
Operating System cisco ios_xe 17.2.1r Yes
Operating System cisco ios_xe 17.2.1v Yes
Operating System cisco ios_xe 17.2.2 Yes
Operating System cisco ios_xe 17.2.3 Yes
Operating System cisco ios_xe 17.3.1 Yes
Operating System cisco ios_xe 17.3.1a Yes
Operating System cisco ios_xe 17.3.1w Yes
Operating System cisco ios_xe 17.3.1x Yes
Operating System cisco ios_xe 17.3.1z Yes
Operating System cisco ios_xe 17.3.2 Yes
Operating System cisco ios_xe 17.3.2a Yes
Operating System cisco ios_xe 17.3.3 Yes
Operating System cisco ios_xe 17.3.4 Yes
Operating System cisco ios_xe 17.3.4a Yes
Operating System cisco ios_xe 17.3.4b Yes
Operating System cisco ios_xe 17.3.4c Yes
Operating System cisco ios_xe 17.3.5 Yes
Operating System cisco ios_xe 17.3.5a Yes
Operating System cisco ios_xe 17.3.5b Yes
Operating System cisco ios_xe 17.3.6 Yes
Operating System cisco ios_xe 17.3.7 Yes
Operating System cisco ios_xe 17.4.1 Yes
Operating System cisco ios_xe 17.4.1a Yes
Operating System cisco ios_xe 17.4.1b Yes
Operating System cisco ios_xe 17.4.2 Yes
Operating System cisco ios_xe 17.4.2a Yes
Operating System cisco ios_xe 17.5.1 Yes
Operating System cisco ios_xe 17.5.1a Yes
Operating System cisco ios_xe 17.6.1 Yes
Operating System cisco ios_xe 17.6.1a Yes
Operating System cisco ios_xe 17.6.1w Yes
Operating System cisco ios_xe 17.6.1x Yes
Operating System cisco ios_xe 17.6.1y Yes
Operating System cisco ios_xe 17.6.1z Yes
Operating System cisco ios_xe 17.6.1z1 Yes
Operating System cisco ios_xe 17.6.2 Yes
Operating System cisco ios_xe 17.6.3 Yes
Operating System cisco ios_xe 17.6.3a Yes
Operating System cisco ios_xe 17.6.4 Yes
Operating System cisco ios_xe 17.6.5 Yes
Operating System cisco ios_xe 17.6.5a Yes
Operating System cisco ios_xe 17.7.1 Yes
Operating System cisco ios_xe 17.7.1a Yes
Operating System cisco ios_xe 17.7.1b Yes
Operating System cisco ios_xe 17.7.2 Yes
Operating System cisco ios_xe 17.8.1 Yes
Operating System cisco ios_xe 17.8.1a Yes
Operating System cisco ios_xe 17.9.1 Yes
Operating System cisco ios_xe 17.9.1a Yes
Operating System cisco ios_xe 17.9.1w Yes
Operating System cisco ios_xe 17.9.1x Yes
Operating System cisco ios_xe 17.9.1x1 Yes
Operating System cisco ios_xe 17.9.1y Yes
Operating System cisco ios_xe 17.9.2 Yes
Operating System cisco ios_xe 17.9.2a Yes
Operating System cisco ios_xe 17.9.3 Yes
Operating System cisco ios_xe 17.9.3a Yes
Operating System cisco ios_xe 17.10.1 Yes
Operating System cisco ios_xe 17.10.1a Yes
Operating System cisco ios_xe 17.10.1b Yes
Operating System cisco ios_xe 17.11.1 Yes
Operating System cisco ios_xe 17.11.1a Yes
Operating System cisco ios_xe 17.11.99sw Yes

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For cisco's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.