CVE-2012-3923

Severity: low (CVSS 3.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2012-09-16 · updated 2026-06-16

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.

Affected products

Cisco IOS: 12.4, 15.0, 15.1, 15.2

References

http://www.cisco.com/en/US/docs/ios/15_2m_and_t/release/notes/152-1TCAVS.html
https://exchange.xforce.ibmcloud.com/vulnerabilities/78670
http://www.cisco.com/en/US/docs/ios/15_2m_and_t/release/notes/152-1TCAVS.html
https://exchange.xforce.ibmcloud.com/vulnerabilities/78670

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