CVE-2012-3950 json
The Intrusion Prevention System (IPS) feature in Cisco IOS 12.3 through 12.4 and 15.0 through 15.2, in certain configurations of enabled ca…
published 2012-09-27 14 y ago modified 2026-06-16 4 mo ago also EUVD-2012-3894
- cvss
- 7.1
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.5%
- EPSS 1.5% chance of exploitation in 30 days, percentile 75%
- public exploits
- 0
- none known
Summary
The Intrusion Prevention System (IPS) feature in Cisco IOS 12.3 through 12.4 and 15.0 through 15.2, in certain configurations of enabled categories and missing signatures, allows remote attackers to cause a denial of service (device reload) via DNS packets, aka Bug ID CSCtw55976.
Exploit prediction
1.55% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 7.1 | AV:N/AC:M/Au:N/C:N/I:N/A:C |
Classification
- Weakness
-
- CWE-399 Resource Management Errors
- Technology feeds
References
-
tools.cisco.com
/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120926-ios-ips
vendor-advisory
-
securityfocus.com
/bid/55695
vdb-entry
-
exchange.xforce.ibmcloud.com
/vulnerabilities/78882
vdb-entry
-
secunia.com
/advisories/50777
third-party-advisory
-
securitytracker.com
/id?1027580
vdb-entry
Sources
- CVE List CVE-2012-3950
- NVD CVE-2012-3950
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.