A vulnerability in 802.1x function of Cisco IOS Software on the Catalyst 6500 Series Switches could allow an unauthenticated, adjacent attacker to access the network prior to authentication. The vulnerability is due to how the 802.1x packets are handled in the process path. An attacker could exploit this vulnerability by attempting to connect to the network on an 802.1x configured port. A successful exploit could allow the attacker to intermittently obtain access to the network.
This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 4.7, indicating it requires adjacent network access with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts limited integrity, for affected systems. Impacting 1 product from cisco organizations running these solutions should prioritize assessment and patching.
First disclosed in 2019, 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.
2019-03-28T01:29:00.453
2024-11-21T04:37:18.167
Modified
CVSSv3.0: 4.7 (MEDIUM)
AV:A/AC:L/Au:N/C:N/I:P/A:N
6.5
2.9
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Operating System | cisco | ios | 12.2\(33\)sxj6 | Yes |
| Operating System | cisco | ios | 12.2\(33\)sxj7 | Yes |
| Operating System | cisco | ios | 12.2\(33\)sxj8 | Yes |
| Operating System | cisco | ios | 12.2\(33\)sxj9 | Yes |
| Operating System | cisco | ios | 12.2\(33\)sxj10 | Yes |
| Operating System | cisco | ios | 12.2\(60\)ez12 | Yes |
| Operating System | cisco | ios | 15.1\(1\)sy1 | Yes |
| Operating System | cisco | ios | 15.1\(1\)sy2 | Yes |
| Operating System | cisco | ios | 15.1\(1\)sy3 | Yes |
| Operating System | cisco | ios | 15.1\(1\)sy4 | Yes |
| Operating System | cisco | ios | 15.1\(1\)sy5 | Yes |
| Operating System | cisco | ios | 15.1\(1\)sy6 | Yes |
| Operating System | cisco | ios | 15.1\(2\)sg8a | Yes |
| Operating System | cisco | ios | 15.1\(2\)sy | Yes |
| Operating System | cisco | ios | 15.1\(2\)sy1 | Yes |
| Operating System | cisco | ios | 15.1\(2\)sy2 | Yes |
| Operating System | cisco | ios | 15.1\(2\)sy3 | Yes |
| Operating System | cisco | ios | 15.1\(2\)sy4 | Yes |
| Operating System | cisco | ios | 15.1\(2\)sy4a | Yes |
| Operating System | cisco | ios | 15.1\(2\)sy5 | Yes |
| Operating System | cisco | ios | 15.1\(2\)sy6 | Yes |
| Operating System | cisco | ios | 15.1\(2\)sy7 | 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\(3\)svg3d | Yes |
| Operating System | cisco | ios | 15.1\(3\)svi1b | Yes |
| Operating System | cisco | ios | 15.1\(3\)svk4b | Yes |
| Operating System | cisco | ios | 15.1\(3\)svk4c | Yes |
| Operating System | cisco | ios | 15.1\(3\)svm3 | Yes |
| Operating System | cisco | ios | 15.1\(3\)svn2 | Yes |
| Operating System | cisco | ios | 15.1\(3\)svo1 | Yes |
| Operating System | cisco | ios | 15.1\(3\)svo2 | Yes |
| Operating System | cisco | ios | 15.1\(3\)svp1 | Yes |
| Operating System | cisco | ios | 15.1\(3\)svp2 | Yes |
| Operating System | cisco | ios | 15.1\(4\)m12c | Yes |
| Operating System | cisco | ios | 15.2\(1\)sy | Yes |
| Operating System | cisco | ios | 15.2\(1\)sy0a | Yes |
| Operating System | cisco | ios | 15.2\(1\)sy1 | Yes |
| Operating System | cisco | ios | 15.2\(1\)sy1a | Yes |
| Operating System | cisco | ios | 15.2\(1\)sy2 | 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\(2\)sy | Yes |
| Operating System | cisco | ios | 15.2\(2\)sy1 | Yes |
| Operating System | cisco | ios | 15.2\(2\)sy2 | Yes |
| Operating System | cisco | ios | 15.2\(2\)sy3 | Yes |
| Operating System | cisco | ios | 15.2\(3\)ea1 | Yes |
| Operating System | cisco | ios | 15.2\(4\)jn1 | Yes |
| Operating System | cisco | ios | 15.2\(4a\)ea5 | Yes |
| Operating System | cisco | ios | 15.3\(0\)sy | Yes |
| Operating System | cisco | ios | 15.3\(1\)sy | 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\(3\)ja1n | Yes |
| Operating System | cisco | ios | 15.3\(3\)jf35 | Yes |
| Operating System | cisco | ios | 15.3\(3\)ji2 | 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 | 15.5\(1\)sy | Yes |
| Operating System | cisco | ios | 15.5\(1\)sy1 | Yes |
| Operating System | cisco | ios | 15.5\(1\)sy2 | Yes |
| Operating System | cisco | ios | 15.6\(2\)sp3b | 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.