CVE-2011-4231

Severity Score

6.5

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

Cisco IOS v15.1 y v15.2 y el IOS XE v3.x, cuando se configura como un hub IPSec con certificados X.509 en uso, permite a usuarios remotos autenticados provocar una denegación de servicio (fallo de segmentación y la caída del dispositivo) a través de vectores no especificados, también conocido como Bug ID CSCtq61128.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

Single

Confidentiality

None

Integrity

None

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2011-11-01 CVE Reserved
2012-05-03 CVE Published
2024-09-16 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-20: Improper Input Validation

CAPEC

References (2)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
http://www.cisco.com/en/US/docs/ios/15_1/release/notes/151-4MCAVS.html	2012-05-11
http://www.cisco.com/en/US/docs/ios/ios_xe/3/release/notes/asr1k_caveats_34s.html	2012-05-11

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Cisco Search vendor "Cisco"		Ios Search vendor "Cisco" for product "Ios"				15.1 Search vendor "Cisco" for product "Ios" and version "15.1"		-		Affected
Cisco Search vendor "Cisco"		Ios Search vendor "Cisco" for product "Ios"				15.2 Search vendor "Cisco" for product "Ios" and version "15.2"		-		Affected
Cisco Search vendor "Cisco"		Ios Xe Search vendor "Cisco" for product "Ios Xe"				3.1.0s Search vendor "Cisco" for product "Ios Xe" and version "3.1.0s"		-		Affected
Cisco Search vendor "Cisco"		Ios Xe Search vendor "Cisco" for product "Ios Xe"				3.1.0sg Search vendor "Cisco" for product "Ios Xe" and version "3.1.0sg"		-		Affected
Cisco Search vendor "Cisco"		Ios Xe Search vendor "Cisco" for product "Ios Xe"				3.1.1s Search vendor "Cisco" for product "Ios Xe" and version "3.1.1s"		-		Affected
Cisco Search vendor "Cisco"		Ios Xe Search vendor "Cisco" for product "Ios Xe"				3.1.1sg Search vendor "Cisco" for product "Ios Xe" and version "3.1.1sg"		-		Affected
Cisco Search vendor "Cisco"		Ios Xe Search vendor "Cisco" for product "Ios Xe"				3.1.2s Search vendor "Cisco" for product "Ios Xe" and version "3.1.2s"		-		Affected
Cisco Search vendor "Cisco"		Ios Xe Search vendor "Cisco" for product "Ios Xe"				3.1.3s Search vendor "Cisco" for product "Ios Xe" and version "3.1.3s"		-		Affected
Cisco Search vendor "Cisco"		Ios Xe Search vendor "Cisco" for product "Ios Xe"				3.1.4s Search vendor "Cisco" for product "Ios Xe" and version "3.1.4s"		-		Affected
Cisco Search vendor "Cisco"		Ios Xe Search vendor "Cisco" for product "Ios Xe"				3.2.0s Search vendor "Cisco" for product "Ios Xe" and version "3.2.0s"		-		Affected
Cisco Search vendor "Cisco"		Ios Xe Search vendor "Cisco" for product "Ios Xe"				3.2.0sg Search vendor "Cisco" for product "Ios Xe" and version "3.2.0sg"		-		Affected
Cisco Search vendor "Cisco"		Ios Xe Search vendor "Cisco" for product "Ios Xe"				3.2.1s Search vendor "Cisco" for product "Ios Xe" and version "3.2.1s"		-		Affected
Cisco Search vendor "Cisco"		Ios Xe Search vendor "Cisco" for product "Ios Xe"				3.2.2s Search vendor "Cisco" for product "Ios Xe" and version "3.2.2s"		-		Affected
Cisco Search vendor "Cisco"		Ios Xe Search vendor "Cisco" for product "Ios Xe"				3.3.0s Search vendor "Cisco" for product "Ios Xe" and version "3.3.0s"		-		Affected
Cisco Search vendor "Cisco"		Ios Xe Search vendor "Cisco" for product "Ios Xe"				3.3.1s Search vendor "Cisco" for product "Ios Xe" and version "3.3.1s"		-		Affected
Cisco Search vendor "Cisco"		Ios Xe Search vendor "Cisco" for product "Ios Xe"				3.3.2s Search vendor "Cisco" for product "Ios Xe" and version "3.3.2s"		-		Affected
Cisco Search vendor "Cisco"		Ios Xe Search vendor "Cisco" for product "Ios Xe"				3.3.3s Search vendor "Cisco" for product "Ios Xe" and version "3.3.3s"		-		Affected
Cisco Search vendor "Cisco"		Ios Xe Search vendor "Cisco" for product "Ios Xe"				3.4.0as Search vendor "Cisco" for product "Ios Xe" and version "3.4.0as"		-		Affected
Cisco Search vendor "Cisco"		Ios Xe Search vendor "Cisco" for product "Ios Xe"				3.4.0s Search vendor "Cisco" for product "Ios Xe" and version "3.4.0s"		-		Affected
Cisco Search vendor "Cisco"		Ios Xe Search vendor "Cisco" for product "Ios Xe"				3.4.1s Search vendor "Cisco" for product "Ios Xe" and version "3.4.1s"		-		Affected
Cisco Search vendor "Cisco"		Ios Xe Search vendor "Cisco" for product "Ios Xe"				3.4.2s Search vendor "Cisco" for product "Ios Xe" and version "3.4.2s"		-		Affected
Cisco Search vendor "Cisco"		Ios Xe Search vendor "Cisco" for product "Ios Xe"				3.4.3s Search vendor "Cisco" for product "Ios Xe" and version "3.4.3s"		-		Affected
Cisco Search vendor "Cisco"		Ios Xe Search vendor "Cisco" for product "Ios Xe"				3.5.0s Search vendor "Cisco" for product "Ios Xe" and version "3.5.0s"		-		Affected
Cisco Search vendor "Cisco"		Ios Xe Search vendor "Cisco" for product "Ios Xe"				3.5.1s Search vendor "Cisco" for product "Ios Xe" and version "3.5.1s"		-		Affected
Cisco Search vendor "Cisco"		Ios Xe Search vendor "Cisco" for product "Ios Xe"				3.5.2s Search vendor "Cisco" for product "Ios Xe" and version "3.5.2s"		-		Affected