A vulnerability in the Autonomic Networking Infrastructure (ANI) registrar feature of Cisco IOS Software (possibly 15.2 through 15.6) and Cisco IOS XE Software (possibly 3.7 through 3.18, and 16) could allow an unauthenticated, adjacent 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 autonomic network channel discovery packet to a device that has all the following characteristics: (1) running a Cisco IOS Software or Cisco IOS XE Software release that supports the ANI feature; (2) configured as an autonomic registrar; (3) has a whitelist configured. An exploit could allow the attacker to cause the affected device to reload. Note: Autonomic networking should be configured with a whitelist. Do not remove the whitelist as a workaround. Cisco Bug IDs: CSCvc42717.
This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 7.4, indicating it requires adjacent network access with relatively low complexity 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.
2017-03-21T16:59:00.227
2026-06-17T01:19:02.720
Modified
CVSSv3.0: 7.4 (HIGH)
AV:A/AC:L/Au:N/C:N/I:N/A:C
6.5
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\(4\)e3 | Yes |
| Operating System | cisco | ios | 15.2\(5\)e | Yes |
| Operating System | cisco | ios | 15.2\(5\)e1 | Yes |
| Operating System | cisco | ios | 15.2\(5a\)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 | 15.3\(3\)s8 | Yes |
| Operating System | cisco | ios | 15.3\(3\)s9 | 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 | 15.4\(3\)s6a | 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\(2\)s4 | 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\(3\)s4 | Yes |
| Operating System | cisco | ios | 15.5\(3\)s5 | 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\(1\)s3 | 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\(2\)s2 | Yes |
| Operating System | cisco | ios | 15.6\(2\)sn | Yes |
| Operating System | cisco | ios | 15.6\(2\)sp | Yes |
| Operating System | cisco | ios | 15.6\(2\)sp1 | 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 | 15.6\(3\)m0a | Yes |
| Operating System | cisco | ios | 15.6\(3\)m1 | 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 | 3.10.2ts | 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 | 3.10.8as | 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 | 3.13.2as | 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 | 3.16.2bs | 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 | 3.18.1csp | 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.