Unrated severityNVD Advisory· Published Sep 16, 2012· Updated Jun 16, 2026
CVE-2012-3923
CVE-2012-3923
Description
The SSLVPN implementation in Cisco IOS 12.4, 15.0, 15.1, and 15.2, when DTLS is not 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 CSCte41827.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
5cpe:2.3:o:cisco:ios:12.4:*:*:*:*:*:*:*+ 4 more
- cpe:2.3:o:cisco:ios:12.4:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:15.0:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:15.1:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:15.2:*:*:*:*:*:*:*
- (no CPE)range: 12.4, 15.0, 15.1, 15.2
Patches
Vulnerability mechanics
References
2News mentions
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