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CVE-2012-3924
The SSLVPN implementation in Cisco IOS 15.1 and 15.2, when DTLS is enabled, does not properly handle certain outbound ACL configurations,…
Low3.5EPSS 0.86%
- Published
- Updated
- Reserved
- Assigned by
- cisco
Description
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.
Timeline
ID reserved
By cisco
- 2 months later
· 2 months later
Published
- 12 years later
· 12 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
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 41% of all CVEs (8 Nov 2026)
Loading the EPSS history…
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-enabled-dos(78672) (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)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2012-3924)Record last updated .