Not a U.S. government website. NDD is an independent vulnerability database by Volerion and is not affiliated with or endorsed by NIST or NVD.

CVE-2012-3923 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URL	Source(s)	Tag(s)
https://exchange.xforce.ibmcloud.com/vulnerabilities/78670	CVE
http://www.cisco.com/en/US/docs/ios/15_2m_and_t/release/notes/152-1TCAVS.html	CVE	Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/78670	[email protected]
http://www.cisco.com/en/US/docs/ios/15_2m_and_t/release/notes/152-1TCAVS.html	[email protected]	Vendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
NVD-CWE-noinfo	Insufficient Information to Classify Weakness	[email protected]

Affected Products

Product	Versions
cisco ios	12.4 15.0 15.1 15.2
CPE 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:::::::* Remediation No remediation found in references.

Change History

6 change records found show changes

Date	Action	Recorded By
Jun 16, 2026	CVE Modified	[email protected]
Apr 29, 2026	Status Change	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Aug 29, 2017	CVE Modified	[email protected]
Sep 17, 2012	Initial Analysis	[email protected]