CVE-2012-1311

Severity: high (CVSS 7.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2012-03-29 · updated 2026-06-16
Weakness: CWE-399

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.

Affected products

Cisco IOS: 15.0, 15.1
Cisco IOS XE: 3.2.0s, 3.2.1s, 3.2.2s, 3.3.0s, 3.4.0s

References

http://osvdb.org/80692
http://secunia.com/advisories/48611
http://secunia.com/advisories/48621
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120328-rsvp
http://www.securityfocus.com/bid/52754
http://www.securitytracker.com/id?1026865
http://osvdb.org/80692
http://secunia.com/advisories/48611
http://secunia.com/advisories/48621
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120328-rsvp
http://www.securityfocus.com/bid/52754
http://www.securitytracker.com/id?1026865

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