A vulnerability in the 802.1X feature of Cisco Catalyst 2960-L Series Switches and Cisco Catalyst CDB-8P Switches could allow an unauthenticated, adjacent attacker to forward broadcast traffic before being authenticated on the port. The vulnerability exists because broadcast traffic that is received on the 802.1X-enabled port is mishandled. An attacker could exploit this vulnerability by sending broadcast traffic on the port before being authenticated. A successful exploit could allow the attacker to send and receive broadcast traffic on the 802.1X-enabled port before authentication.
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 data confidentiality, for affected systems. Impacting 1 product from cisco organizations running these solutions should prioritize assessment and patching.
Reported in 2020, 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.
2020-06-03T18:15:21.090
2024-11-21T05:30:37.060
Modified
CVSSv3.1: 4.7 (MEDIUM)
AV:A/AC:M/Au:N/C:P/I:N/A:N
5.5
2.9
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Operating System | cisco | ios | 15.2\(5\)e2 | Yes |
| Operating System | cisco | ios | 15.2\(5\)ex | Yes |
| Operating System | cisco | ios | 15.2\(5a\)e | Yes |
| Operating System | cisco | ios | 15.2\(5b\)e | Yes |
| Operating System | cisco | ios | 15.2\(5c\)e | Yes |
| Operating System | cisco | ios | 15.2\(6\)e | Yes |
| Operating System | cisco | ios | 15.2\(6\)e0c | Yes |
| Operating System | cisco | ios | 15.2\(6\)e1 | Yes |
| Operating System | cisco | ios | 15.2\(6\)e1a | Yes |
| Operating System | cisco | ios | 15.2\(6\)e1s | Yes |
| Operating System | cisco | ios | 15.2\(6\)e2 | Yes |
| Operating System | cisco | ios | 15.2\(6\)e2b | Yes |
| Operating System | cisco | ios | 15.2\(6\)e3 | Yes |
| Operating System | cisco | ios | 15.2\(6\)e4 | Yes |
| Operating System | cisco | ios | 15.2\(7\)e | Yes |
| Operating System | cisco | ios | 15.2\(7\)e0a | Yes |
| Operating System | cisco | ios | 15.2\(7\)e0b | Yes |
| Operating System | cisco | ios | 15.2\(7\)e0s | Yes |
| Operating System | cisco | ios | 15.2\(7a\)e0b | Yes |
| Operating System | cisco | ios | 15.2\(7b\)e0b | Yes |
| Operating System | cisco | ios | 15.3\(3\)jaa1 | Yes |
| Operating System | cisco | ios | 15.3\(3\)jpj | 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.