CVE-2005-1942

CVE-2005-1942 is a high-severity vulnerability in Cisco Catalyst with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

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.

Frequently asked questions

What is 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 Discovery Protocol (CDP) messages.
How severe is CVE-2005-1942?
CVE-2005-1942 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2005-1942 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-1942?
CVE-2005-1942 affects Cisco Catalyst. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2005-1942?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2005-1942 published?
CVE-2005-1942 was published on 2005-06-10 and last updated on 2026-06-16.

References

Affected products (1)

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