CVE-2011-3295

Severity Score

7.5

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

The NETIO and IPV4_IO processes in Cisco IOS XR 3.8 through 4.1, as used in Cisco Carrier Routing System and other products, allow remote attackers to cause a denial of service (CPU consumption) via crafted network traffic, aka Bug ID CSCti59888.

Los procesos NETIO y IPV4_IO en Cisco IOS XR v3.8 hasta v4.1, como los utilizados en el sistema Cisco Carrier Routing System y otros productos, permite a atacantes remotos causar una denegación de servicio (consumo de CPU) a través de tráfico de la red manipulado, también conocido como Bug ID CSCti59888.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2011-08-29 CVE Reserved
2012-05-02 CVE Published
2024-08-06 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-20: Improper Input Validation

CAPEC

References (3)

URL	Tag	Source
http://www-europe.cisco.com/cisco/software/release.html?mdfid=279879106&reltype=all&relind=AVAILABLE&release=3.9.2&softwareid=280867577&sortparam=7	X_refsource_confirm
http://www.securitytracker.com/id?1027005	Vdb Entry
http://www.securitytracker.com/id?1027006	Vdb Entry

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC

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 Xr Search vendor "Cisco" for product "Ios Xr"				3.8.0 Search vendor "Cisco" for product "Ios Xr" and version "3.8.0"		-		Affected
Cisco Search vendor "Cisco"		Ios Xr Search vendor "Cisco" for product "Ios Xr"				3.8.1 Search vendor "Cisco" for product "Ios Xr" and version "3.8.1"		-		Affected
Cisco Search vendor "Cisco"		Ios Xr Search vendor "Cisco" for product "Ios Xr"				3.8.2 Search vendor "Cisco" for product "Ios Xr" and version "3.8.2"		-		Affected
Cisco Search vendor "Cisco"		Ios Xr Search vendor "Cisco" for product "Ios Xr"				3.8.3 Search vendor "Cisco" for product "Ios Xr" and version "3.8.3"		-		Affected
Cisco Search vendor "Cisco"		Ios Xr Search vendor "Cisco" for product "Ios Xr"				3.8.4 Search vendor "Cisco" for product "Ios Xr" and version "3.8.4"		-		Affected
Cisco Search vendor "Cisco"		Ios Xr Search vendor "Cisco" for product "Ios Xr"				3.9.0 Search vendor "Cisco" for product "Ios Xr" and version "3.9.0"		-		Affected
Cisco Search vendor "Cisco"		Ios Xr Search vendor "Cisco" for product "Ios Xr"				3.9.1 Search vendor "Cisco" for product "Ios Xr" and version "3.9.1"		-		Affected
Cisco Search vendor "Cisco"		Ios Xr Search vendor "Cisco" for product "Ios Xr"				3.9.2 Search vendor "Cisco" for product "Ios Xr" and version "3.9.2"		-		Affected
Cisco Search vendor "Cisco"		Ios Xr Search vendor "Cisco" for product "Ios Xr"				4.0.0 Search vendor "Cisco" for product "Ios Xr" and version "4.0.0"		-		Affected
Cisco Search vendor "Cisco"		Ios Xr Search vendor "Cisco" for product "Ios Xr"				4.0.1 Search vendor "Cisco" for product "Ios Xr" and version "4.0.1"		-		Affected
Cisco Search vendor "Cisco"		Ios Xr Search vendor "Cisco" for product "Ios Xr"				4.0.2 Search vendor "Cisco" for product "Ios Xr" and version "4.0.2"		-		Affected
Cisco Search vendor "Cisco"		Ios Xr Search vendor "Cisco" for product "Ios Xr"				4.0.3 Search vendor "Cisco" for product "Ios Xr" and version "4.0.3"		-		Affected
Cisco Search vendor "Cisco"		Ios Xr Search vendor "Cisco" for product "Ios Xr"				4.0.4 Search vendor "Cisco" for product "Ios Xr" and version "4.0.4"		-		Affected
Cisco Search vendor "Cisco"		Ios Xr Search vendor "Cisco" for product "Ios Xr"				4.1 Search vendor "Cisco" for product "Ios Xr" and version "4.1"		-		Affected