Is CVE-2012-3924 being actively exploited?

CVE-2012-3924 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2012-3924?

CVE-2012-3924 has a CVSS 2.0 base score of 3.5 (LOW).

CVE-2012-3924

LOW · CVSS 3.5EPSS 0.9%EU EUVD

The SSLVPN implementation in Cisco IOS 15.1 and 15.2, when DTLS is enabled, does not properly handle certain outbound ACL configurations, which allows remote authenticated users to cause a denial of service (device crash) via a session involving a PPP over ATM (PPPoA) interface, aka Bug ID CSCty97961.

Key facts

CVSS score: 3.5 (v2.0)
Severity: LOW
CVSS vector: AV:N/AC:M/Au:S/C:N/I:N/A:P
EPSS score: 0.9% (59th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2012-3868)
Published: September 16, 2012
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2012-3868 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

cisco / ios
cisco / ios

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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