CVE-2020-3231
Summary
| CVE | CVE-2020-3231 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2020-06-03 18:15:00 UTC |
| Updated | 2020-06-08 18:25:00 UTC |
| Description | 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. |
Risk And Classification
Problem Types: CWE-863
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Cisco | Ios | 15.2\(5a\)e | All | All | All |
| Operating System | Cisco | Ios | 15.2\(5b\)e | All | All | All |
| Operating System | Cisco | Ios | 15.2\(5c\)e | All | All | All |
| Operating System | Cisco | Ios | 15.2\(5\)e2 | All | All | All |
| Operating System | Cisco | Ios | 15.2\(5\)ex | All | All | All |
| Operating System | Cisco | Ios | 15.2\(6\)e | All | All | All |
| Operating System | Cisco | Ios | 15.2\(6\)e0c | All | All | All |
| Operating System | Cisco | Ios | 15.2\(6\)e1 | All | All | All |
| Operating System | Cisco | Ios | 15.2\(6\)e1a | All | All | All |
| Operating System | Cisco | Ios | 15.2\(6\)e1s | All | All | All |
| Operating System | Cisco | Ios | 15.2\(6\)e2 | All | All | All |
| Operating System | Cisco | Ios | 15.2\(6\)e2b | All | All | All |
| Operating System | Cisco | Ios | 15.2\(6\)e3 | All | All | All |
| Operating System | Cisco | Ios | 15.2\(6\)e4 | All | All | All |
| Operating System | Cisco | Ios | 15.2\(7a\)e0b | All | All | All |
| Operating System | Cisco | Ios | 15.2\(7b\)e0b | All | All | All |
| Operating System | Cisco | Ios | 15.2\(7\)e | All | All | All |
| Operating System | Cisco | Ios | 15.2\(7\)e0a | All | All | All |
| Operating System | Cisco | Ios | 15.2\(7\)e0b | All | All | All |
| Operating System | Cisco | Ios | 15.2\(7\)e0s | All | All | All |
| Operating System | Cisco | Ios | 15.3\(3\)jaa1 | All | All | All |
| Operating System | Cisco | Ios | 15.3\(3\)jpj | All | All | All |
| Operating System | Cisco | Ios | 15.2\(5a\)e | All | All | All |
| Operating System | Cisco | Ios | 15.2\(5b\)e | All | All | All |
| Operating System | Cisco | Ios | 15.2\(5c\)e | All | All | All |
| Operating System | Cisco | Ios | 15.2\(5\)e2 | All | All | All |
| Operating System | Cisco | Ios | 15.2\(5\)ex | All | All | All |
| Operating System | Cisco | Ios | 15.2\(6\)e | All | All | All |
| Operating System | Cisco | Ios | 15.2\(6\)e0c | All | All | All |
| Operating System | Cisco | Ios | 15.2\(6\)e1 | All | All | All |
| Operating System | Cisco | Ios | 15.2\(6\)e1a | All | All | All |
| Operating System | Cisco | Ios | 15.2\(6\)e1s | All | All | All |
| Operating System | Cisco | Ios | 15.2\(6\)e2 | All | All | All |
| Operating System | Cisco | Ios | 15.2\(6\)e2b | All | All | All |
| Operating System | Cisco | Ios | 15.2\(6\)e3 | All | All | All |
| Operating System | Cisco | Ios | 15.2\(6\)e4 | All | All | All |
| Operating System | Cisco | Ios | 15.2\(7a\)e0b | All | All | All |
| Operating System | Cisco | Ios | 15.2\(7b\)e0b | All | All | All |
| Operating System | Cisco | Ios | 15.2\(7\)e | All | All | All |
| Operating System | Cisco | Ios | 15.2\(7\)e0a | All | All | All |
| Operating System | Cisco | Ios | 15.2\(7\)e0b | All | All | All |
| Operating System | Cisco | Ios | 15.2\(7\)e0s | All | All | All |
| Operating System | Cisco | Ios | 15.3\(3\)jaa1 | All | All | All |
| Operating System | Cisco | Ios | 15.3\(3\)jpj | All | All | All |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Cisco IOS Software for Catalyst 2960-L Series Switches and Catalyst CDB-8P Switches 802.1X Authentication Bypass Vulnerability | CISCO | tools.cisco.com | Patch, Vendor Advisory |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.