Vulnerability Monitor

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CVE-2012-1311

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.

Security Impact Summary

CVE-2012-1311 is a security vulnerability that . Impacting 2 products from cisco, from cisco organizations running these solutions should prioritize assessment and patching.

Historical Context

Documented in 2012, this vulnerability occurred amid the cloud computing expansion era, where traditional network perimeter security models were being reevaluated. Organizations were transitioning from isolated infrastructure to interconnected systems, creating new attack surfaces that vulnerabilities like this could exploit.

Published

2012-03-29T11:01:16.433

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 7.8 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: COMPLETE

Exploitability Score

10.0

Impact Score

6.9

Weaknesses

Type: Primary
CWE-399

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	cisco	ios	15.0	Yes
Operating System	cisco	ios	15.1	Yes
Operating System	cisco	ios_xe	3.2.0s	Yes
Operating System	cisco	ios_xe	3.2.1s	Yes
Operating System	cisco	ios_xe	3.2.2s	Yes
Operating System	cisco	ios_xe	3.3.0s	Yes
Operating System	cisco	ios_xe	3.4.0s	Yes

References

http://osvdb.org/80692 ([email protected])
http://secunia.com/advisories/48611 ([email protected])
http://secunia.com/advisories/48621 ([email protected])
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120328-rsvp Vendor Advisory ([email protected])
http://www.securityfocus.com/bid/52754 ([email protected])
http://www.securitytracker.com/id?1026865 ([email protected])
http://osvdb.org/80692 (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/48611 (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/48621 (af854a3a-2127-422b-91ae-364da2661108)
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120328-rsvp Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/52754 (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id?1026865 (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For cisco's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.