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CVE-2012-3923
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…
Low3.5EPSS 0.86%
- Published
- Updated
- Reserved
- Assigned by
- cisco
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Low3.5 | AV:N/AC:M/Au:S/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 0.86% · top 42% of all CVEs (2 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 3.5.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (2)
- http://www.cisco.com/en/US/docs/ios/15_2m_and_t/release/notes/152-1TCAVS.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- ciscoios-sslvpn-dtls-dos(78670) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .