Back
CVE-2005-1942
Cisco switches that support 802.1x security allow remote attackers to bypass port security and gain access to the VLAN via spoofed Cisco…
High7.5EPSS 1.6%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
Cisco switches that support 802.1x security allow remote attackers to bypass port security and gain access to the VLAN via spoofed Cisco Discovery Protocol (CDP) messages.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
- EPSS (exploitation in 30 days)
- 1.6% · top 24% of all CVEs (5 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (5)
- 1014135 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- 20050608 Cisco 802.1x Voice-Enabled Interfaces Allow Anonymous Voice VLAN Access (opens in a new tab)vendor-advisoryx_refsource_CISCOx_transferred
- http://www.fishnetsecurity.com/csirt/disclosure/cisco/Cisco+802.1x+Advisory.pdf (opens in a new tab)x_refsource_MISCx_transferred
- 20050610 Voice VLAN Access/Abuse Possible on Cisco voice-enabled, 802.1x-secured Interfaces Vulnerability Discovery: FishNet Security (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- cisco-callmanager-voice-gain-access(20939) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2005-1942)Record last updated .