Vulnerability Details : 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.
Vulnerability category: Denial of service
Exploit prediction scoring system (EPSS) score for CVE-2012-1311
Probability of exploitation activity in the next 30 days: 1.90%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 87 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2012-1311
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
7.8
|
HIGH | AV:N/AC:L/Au:N/C:N/I:N/A:C |
10.0
|
6.9
|
NIST |
CWE ids for CVE-2012-1311
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2012-1311
-
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120328-rsvp
Cisco IOS Software RSVP Denial of Service VulnerabilityVendor Advisory
-
http://www.securitytracker.com/id?1026865
Cisco IOS RSVP VPN Routing and Forwarding Bug Lets Remote Users Deny Service - SecurityTracker
-
http://www.securityfocus.com/bid/52754
Cisco IOS RSVP Feature Remote Denial of Service Vulnerability
Products affected by CVE-2012-1311
- cpe:2.3:o:cisco:ios:15.0:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:15.1:*:*:*:*:*:*:*
- 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:*:*:*:*:*:*:*