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CVE-2011-4231 Details

Description

Cisco IOS 15.1 and 15.2 and IOS XE 3.x, when configured as an IPsec hub with X.509 certificates in use, allows remote authenticated users to cause a denial of service (segmentation fault and device crash) via unspecified vectors, aka Bug ID CSCtq61128.

Metrics

CVSS 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
http://www.cisco.com/en/US/docs/ios/15_1/release/notes/151-4MCAVS.html	CVE	Vendor Advisory
http://www.cisco.com/en/US/docs/ios/ios_xe/3/release/notes/asr1k_caveats_34s.html	CVE	Vendor Advisory
http://www.cisco.com/en/US/docs/ios/15_1/release/notes/151-4MCAVS.html	[email protected]	Vendor Advisory
http://www.cisco.com/en/US/docs/ios/ios_xe/3/release/notes/asr1k_caveats_34s.html	[email protected]	Vendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-20	Improper Input Validation	[email protected]

Affected Products

Product	Versions
cisco ios	15.1 15.2
CPE cpe:2.3:o:cisco:ios:15.1:::::::* cpe:2.3:o:cisco:ios:15.2:::::::* Remediation No remediation found in references.
cisco ios xe	3.1.0s 3.1.0sg 3.1.1s 3.1.1sg 3.1.2s
CPE cpe:2.3:o:cisco:ios_xe:3.1.0s:::::::* cpe:2.3:o:cisco:ios_xe:3.1.0sg:::::::* cpe:2.3:o:cisco:ios_xe:3.1.1s:::::::* cpe:2.3:o:cisco:ios_xe:3.1.1sg:::::::* cpe:2.3:o:cisco:ios_xe:3.1.2s:::::::* cpe:2.3:o:cisco:ios_xe:3.1.3s:::::::* cpe:2.3:o:cisco:ios_xe:3.1.4s:::::::* cpe:2.3:o:cisco:ios_xe:3.2.0s:::::::* cpe:2.3:o:cisco:ios_xe:3.2.0sg:::::::* 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:3.3.1s:::::::* cpe:2.3:o:cisco:ios_xe:3.3.2s:::::::* cpe:2.3:o:cisco:ios_xe:3.3.3s:::::::* cpe:2.3:o:cisco:ios_xe:3.4.0as:::::::* cpe:2.3:o:cisco:ios_xe:3.4.0s:::::::* cpe:2.3:o:cisco:ios_xe:3.4.1s:::::::* cpe:2.3:o:cisco:ios_xe:3.4.2s:::::::* cpe:2.3:o:cisco:ios_xe:3.4.3s:::::::* cpe:2.3:o:cisco:ios_xe:3.5.0s:::::::* cpe:2.3:o:cisco:ios_xe:3.5.1s:::::::* cpe:2.3:o:cisco:ios_xe:3.5.2s:::::::* Remediation No remediation found in references.

Change History

5 change records found show changes

Date	Action	Recorded By
Jun 16, 2026	CVE Modified	[email protected]
Apr 29, 2026	Status Change	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
May 3, 2012	Initial Analysis	[email protected]