Unrated severityNVD Advisory· Published Mar 29, 2012· Updated Jun 16, 2026
CVE-2012-1311
CVE-2012-1311
Description
The RSVP feature in Cisco IOS 15.0 and 15.1 and IOS XE 3.2.xS through 3.4.xS before 3.4.2S, when a VRF interface is configured, allows remote attackers to cause a denial of service (interface queue wedge and service outage) via crafted RSVP packets, aka Bug ID CSCts80643.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
9cpe:2.3:o:cisco:ios:15.0:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:o:cisco:ios:15.0:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:15.1:*:*:*:*:*:*:*
- (no CPE)range: 15.0, 15.1
cpe:2.3:o:cisco:ios_xe:3.2.0s:*:*:*:*:*:*:*+ 5 more
- cpe:2.3:o:cisco:ios_xe:3.2.0s:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios_xe:3.2.1s:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios_xe:3.2.2s:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios_xe:3.3.0s:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios_xe:3.4.0s:*:*:*:*:*:*:*
- (no CPE)range: 3.2.xS through 3.4.xS before 3.4.2S
Patches
Vulnerability mechanics
References
6News mentions
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