Unrated severityNVD Advisory· Published May 2, 2012· Updated Jun 16, 2026
CVE-2011-4016
CVE-2011-4016
Description
The PPP implementation in Cisco IOS 12.2 and 15.0 through 15.2, when Point-to-Point Termination and Aggregation (PTA) and L2TP are used, allows remote attackers to cause a denial of service (device crash) via crafted network traffic, aka Bug ID CSCtf71673.
Affected products
5cpe:2.3:o:cisco:ios:12.2:*:*:*:*:*:*:*+ 4 more
- cpe:2.3:o:cisco:ios:12.2:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:15.0:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:15.1:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:15.2:*:*:*:*:*:*:*
- (no CPE)range: 12.2, 15.0 through 15.2
Patches
Vulnerability mechanics
References
2- www.cisco.com/en/US/docs/ios/15_1/release/notes/151-2TCAVS.htmlnvdRelease NotesVendor Advisory
- www.securitytracker.com/idnvdThird Party AdvisoryVDB Entry
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