A vulnerability in the Autonomic Networking Infrastructure (ANI) feature of Cisco IOS Software (15.4 through 15.6) and Cisco IOS XE Software (3.7 through 3.18, and 16) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerability is due to incomplete input validation on certain crafted packets. An attacker could exploit this vulnerability by sending a crafted IPv6 packet to a device that is running a Cisco IOS Software or Cisco IOS XE Software release that supports the ANI feature. A device must meet two conditions to be affected by this vulnerability: (1) the device must be running a version of Cisco IOS Software or Cisco IOS XE Software that supports ANI (regardless of whether ANI is configured); and (2) the device must have a reachable IPv6 interface. An exploit could allow the attacker to cause the affected device to reload. Cisco Bug IDs: CSCvc42729.
This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 5.9, 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.
First disclosed in 2017, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.
2017-03-21T16:59:00.257
2025-04-20T01:37:25.860
Deferred
CVSSv3.0: 5.9 (MEDIUM)
AV:N/AC:M/Au:N/C:N/I:N/A:C
8.6
6.9
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Operating System | cisco | ios | 15.2\(3\)e | Yes |
| Operating System | cisco | ios | 15.2\(3\)e1 | Yes |
| Operating System | cisco | ios | 15.2\(3\)e2 | Yes |
| Operating System | cisco | ios | 15.2\(3\)e3 | Yes |
| Operating System | cisco | ios | 15.2\(4\)e | Yes |
| Operating System | cisco | ios | 15.2\(4\)e1 | Yes |
| Operating System | cisco | ios | 15.2\(4\)e2 | Yes |
| Operating System | cisco | ios | 15.2\(5\)e | Yes |
| Operating System | cisco | ios | 15.2\(5b\)e | Yes |
| Operating System | cisco | ios | 15.3\(3\)s | Yes |
| Operating System | cisco | ios | 15.3\(3\)s1 | Yes |
| Operating System | cisco | ios | 15.3\(3\)s2 | Yes |
| Operating System | cisco | ios | 15.3\(3\)s3 | Yes |
| Operating System | cisco | ios | 15.3\(3\)s4 | Yes |
| Operating System | cisco | ios | 15.3\(3\)s5 | Yes |
| Operating System | cisco | ios | 15.3\(3\)s6 | Yes |
| Operating System | cisco | ios | 15.4\(1\)s | Yes |
| Operating System | cisco | ios | 15.4\(1\)s1 | Yes |
| Operating System | cisco | ios | 15.4\(1\)s2 | Yes |
| Operating System | cisco | ios | 15.4\(1\)s3 | Yes |
| Operating System | cisco | ios | 15.4\(1\)s4 | Yes |
| Operating System | cisco | ios | 15.4\(2\)s1 | Yes |
| Operating System | cisco | ios | 15.4\(2\)s2 | Yes |
| Operating System | cisco | ios | 15.4\(2\)s3 | Yes |
| Operating System | cisco | ios | 15.4\(2\)s4 | Yes |
| Operating System | cisco | ios | 15.4\(3\)s | Yes |
| Operating System | cisco | ios | 15.4\(3\)s1 | Yes |
| Operating System | cisco | ios | 15.4\(3\)s2 | Yes |
| Operating System | cisco | ios | 15.4\(3\)s3 | Yes |
| Operating System | cisco | ios | 15.4\(3\)s4 | Yes |
| Operating System | cisco | ios | 15.4\(3\)s5 | Yes |
| Operating System | cisco | ios | 15.4\(3\)s6 | Yes |
| Operating System | cisco | ios | 15.5\(1\)s | Yes |
| Operating System | cisco | ios | 15.5\(1\)s1 | Yes |
| Operating System | cisco | ios | 15.5\(1\)s2 | Yes |
| Operating System | cisco | ios | 15.5\(1\)s3 | Yes |
| Operating System | cisco | ios | 15.5\(1\)s4 | Yes |
| Operating System | cisco | ios | 15.5\(2\)s | Yes |
| Operating System | cisco | ios | 15.5\(2\)s1 | Yes |
| Operating System | cisco | ios | 15.5\(2\)s2 | Yes |
| Operating System | cisco | ios | 15.5\(2\)s3 | Yes |
| Operating System | cisco | ios | 15.5\(3\)s | Yes |
| Operating System | cisco | ios | 15.5\(3\)s0a | Yes |
| Operating System | cisco | ios | 15.5\(3\)s1 | Yes |
| Operating System | cisco | ios | 15.5\(3\)s1a | Yes |
| Operating System | cisco | ios | 15.5\(3\)s2 | Yes |
| Operating System | cisco | ios | 15.5\(3\)s3 | Yes |
| Operating System | cisco | ios | 15.5\(3\)sn | Yes |
| Operating System | cisco | ios | 15.6\(1\)s | Yes |
| Operating System | cisco | ios | 15.6\(1\)s1 | Yes |
| Operating System | cisco | ios | 15.6\(1\)s2 | Yes |
| Operating System | cisco | ios | 15.6\(1\)t | Yes |
| Operating System | cisco | ios | 15.6\(1\)t0a | Yes |
| Operating System | cisco | ios | 15.6\(1\)t1 | Yes |
| Operating System | cisco | ios | 15.6\(1\)t2 | Yes |
| Operating System | cisco | ios | 15.6\(2\)s | Yes |
| Operating System | cisco | ios | 15.6\(2\)s1 | Yes |
| Operating System | cisco | ios | 15.6\(2\)sn | Yes |
| Operating System | cisco | ios | 15.6\(2\)t | Yes |
| Operating System | cisco | ios | 15.6\(2\)t1 | Yes |
| Operating System | cisco | ios | 15.6\(2\)t2 | Yes |
| Operating System | cisco | ios | 15.6\(3\)m | Yes |
| Operating System | cisco | ios_xe | 3.7.0e | Yes |
| Operating System | cisco | ios_xe | 3.7.1e | Yes |
| Operating System | cisco | ios_xe | 3.7.2e | Yes |
| Operating System | cisco | ios_xe | 3.7.3e | Yes |
| Operating System | cisco | ios_xe | 3.7.4e | Yes |
| Operating System | cisco | ios_xe | 3.7.5e | Yes |
| Operating System | cisco | ios_xe | 3.8.0e | Yes |
| Operating System | cisco | ios_xe | 3.8.1e | Yes |
| Operating System | cisco | ios_xe | 3.8.2e | Yes |
| Operating System | cisco | ios_xe | 3.8.3e | Yes |
| Operating System | cisco | ios_xe | 3.9.0e | Yes |
| Operating System | cisco | ios_xe | 3.9.1e | Yes |
| Operating System | cisco | ios_xe | 3.10.0s | Yes |
| Operating System | cisco | ios_xe | 3.10.1s | Yes |
| Operating System | cisco | ios_xe | 3.10.1xbs | Yes |
| Operating System | cisco | ios_xe | 3.10.2s | Yes |
| Operating System | cisco | ios_xe | 3.10.3s | Yes |
| Operating System | cisco | ios_xe | 3.10.4s | Yes |
| Operating System | cisco | ios_xe | 3.10.5s | Yes |
| Operating System | cisco | ios_xe | 3.10.6s | Yes |
| Operating System | cisco | ios_xe | 3.10.7s | Yes |
| Operating System | cisco | ios_xe | 3.10.8s | Yes |
| Operating System | cisco | ios_xe | 3.11.0s | Yes |
| Operating System | cisco | ios_xe | 3.11.1s | Yes |
| Operating System | cisco | ios_xe | 3.11.2s | Yes |
| Operating System | cisco | ios_xe | 3.11.3s | Yes |
| Operating System | cisco | ios_xe | 3.11.4s | Yes |
| Operating System | cisco | ios_xe | 3.12.0as | Yes |
| Operating System | cisco | ios_xe | 3.12.1s | Yes |
| Operating System | cisco | ios_xe | 3.12.2s | Yes |
| Operating System | cisco | ios_xe | 3.12.3s | Yes |
| Operating System | cisco | ios_xe | 3.12.4s | Yes |
| Operating System | cisco | ios_xe | 3.13.0as | Yes |
| Operating System | cisco | ios_xe | 3.13.0s | Yes |
| Operating System | cisco | ios_xe | 3.13.1s | Yes |
| Operating System | cisco | ios_xe | 3.13.2s | Yes |
| Operating System | cisco | ios_xe | 3.13.3s | Yes |
| Operating System | cisco | ios_xe | 3.13.4s | Yes |
| Operating System | cisco | ios_xe | 3.13.5as | Yes |
| Operating System | cisco | ios_xe | 3.13.5s | Yes |
| Operating System | cisco | ios_xe | 3.13.6as | Yes |
| Operating System | cisco | ios_xe | 3.13.6s | Yes |
| Operating System | cisco | ios_xe | 3.14.0s | Yes |
| Operating System | cisco | ios_xe | 3.14.1s | Yes |
| Operating System | cisco | ios_xe | 3.14.2s | Yes |
| Operating System | cisco | ios_xe | 3.14.3s | Yes |
| Operating System | cisco | ios_xe | 3.14.4s | Yes |
| Operating System | cisco | ios_xe | 3.15.0s | Yes |
| Operating System | cisco | ios_xe | 3.15.1cs | Yes |
| Operating System | cisco | ios_xe | 3.15.1s | Yes |
| Operating System | cisco | ios_xe | 3.15.2s | Yes |
| Operating System | cisco | ios_xe | 3.15.3s | Yes |
| Operating System | cisco | ios_xe | 3.15.4s | Yes |
| Operating System | cisco | ios_xe | 3.16.0cs | Yes |
| Operating System | cisco | ios_xe | 3.16.0s | Yes |
| Operating System | cisco | ios_xe | 3.16.1as | Yes |
| Operating System | cisco | ios_xe | 3.16.1s | Yes |
| Operating System | cisco | ios_xe | 3.16.2as | Yes |
| Operating System | cisco | ios_xe | 3.16.2bs | Yes |
| Operating System | cisco | ios_xe | 3.16.2s | 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 | 3.17.0s | Yes |
| Operating System | cisco | ios_xe | 3.17.1as | Yes |
| Operating System | cisco | ios_xe | 3.17.1s | Yes |
| Operating System | cisco | ios_xe | 3.17.2s | Yes |
| Operating System | cisco | ios_xe | 3.17.3s | Yes |
| Operating System | cisco | ios_xe | 3.18.0as | Yes |
| Operating System | cisco | ios_xe | 3.18.0s | Yes |
| Operating System | cisco | ios_xe | 3.18.0sp | Yes |
| Operating System | cisco | ios_xe | 3.18.1asp | Yes |
| Operating System | cisco | ios_xe | 3.18.1bsp | Yes |
| Operating System | cisco | ios_xe | 3.18.1s | Yes |
| Operating System | cisco | ios_xe | 3.18.1sp | Yes |
| Operating System | cisco | ios_xe | 3.18.2s | Yes |
| Operating System | cisco | ios_xe | 3.18.3vs | Yes |
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.