CVE-2009-1168

Severity Score

7.5

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Cisco IOS 12.0(32)S12 through 12.0(32)S13 and 12.0(33)S3 through 12.0(33)S4, 12.0(32)SY8 through 12.0(32)SY9, 12.2(33)SXI1, 12.2XNC before 12.2(33)XNC2, 12.2XND before 12.2(33)XND1, and 12.4(24)T1; and IOS XE 2.3 through 2.3.1t and 2.4 through 2.4.0; when RFC4893 BGP routing is enabled, allows remote attackers to cause a denial of service (memory corruption and device reload) by using an RFC4271 peer to send an update with a long series of AS numbers, aka Bug ID CSCsy86021.

Cisco IOS v12.0(32)S12 hasta v12.0(32)S13 y v12.0(33)S3 hasta v12.0(33)S4, v12.0(32)SY8 hasta v12.0(32)SY9, v12.2(33)SXI1, v12.2XNC anterior a v12.2(33)XNC2, v12.2XND anterior a v12.2(33)XND1, y v12.4(24)T1; y IOS XE v2.3 hasta v2.3.1t y v2.4 hasta v2.4.0; cuando el enrutado RFC4893 BGP está habilitado, lo que permite a los atacantes remotos causar una denegación de servicio (corrupción de memoria o reinicio del dispositivo) usando un par RFC4271 para enviar una actualización con una serie larga de números AS, también conocido como fallo ID CSCsy86021.

*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

Medium

Authentication

None

Confidentiality

None

Integrity

None

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2009-03-26 CVE Reserved
2009-07-30 CVE Published
2024-08-07 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-399: Resource Management Errors

CAPEC

References (6)

URL	Tag	Source
http://secunia.com/advisories/36046	Third Party Advisory
http://www.securityfocus.com/bid/35862	Vdb Entry
http://www.securitytracker.com/id?1022619	Vdb Entry
http://www.vupen.com/english/advisories/2009/2082	Vdb Entry
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6697	Signature

URL	Date	SRC

URL	Date	SRC
http://www.cisco.com/en/US/products/products_security_advisory09186a0080aea4c9.shtml	2017-09-29

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 Search vendor "Cisco" for product "Ios"				12.0\(32\)s12 Search vendor "Cisco" for product "Ios" and version "12.0\(32\)s12"		-		Affected
Cisco Search vendor "Cisco"		Ios Search vendor "Cisco" for product "Ios"				12.0\(32\)s13 Search vendor "Cisco" for product "Ios" and version "12.0\(32\)s13"		-		Affected
Cisco Search vendor "Cisco"		Ios Search vendor "Cisco" for product "Ios"				12.0\(32\)sy8 Search vendor "Cisco" for product "Ios" and version "12.0\(32\)sy8"		-		Affected
Cisco Search vendor "Cisco"		Ios Search vendor "Cisco" for product "Ios"				12.0\(32\)sy9 Search vendor "Cisco" for product "Ios" and version "12.0\(32\)sy9"		-		Affected
Cisco Search vendor "Cisco"		Ios Search vendor "Cisco" for product "Ios"				12.0\(33\)s3 Search vendor "Cisco" for product "Ios" and version "12.0\(33\)s3"		-		Affected
Cisco Search vendor "Cisco"		Ios Search vendor "Cisco" for product "Ios"				12.0\(33\)s4 Search vendor "Cisco" for product "Ios" and version "12.0\(33\)s4"		-		Affected
Cisco Search vendor "Cisco"		Ios Search vendor "Cisco" for product "Ios"				12.2\(33\)sxi1 Search vendor "Cisco" for product "Ios" and version "12.2\(33\)sxi1"		-		Affected
Cisco Search vendor "Cisco"		Ios Search vendor "Cisco" for product "Ios"				12.2\(33\)sxi2 Search vendor "Cisco" for product "Ios" and version "12.2\(33\)sxi2"		-		Affected
Cisco Search vendor "Cisco"		Ios Search vendor "Cisco" for product "Ios"				12.2xnc Search vendor "Cisco" for product "Ios" and version "12.2xnc"		-		Affected
Cisco Search vendor "Cisco"		Ios Search vendor "Cisco" for product "Ios"				12.2xnd Search vendor "Cisco" for product "Ios" and version "12.2xnd"		-		Affected
Cisco Search vendor "Cisco"		Ios Search vendor "Cisco" for product "Ios"				12.4\(24\)t1 Search vendor "Cisco" for product "Ios" and version "12.4\(24\)t1"		-		Affected
Cisco Search vendor "Cisco"		Ios Xe Search vendor "Cisco" for product "Ios Xe"				2.3 Search vendor "Cisco" for product "Ios Xe" and version "2.3"		-		Affected
Cisco Search vendor "Cisco"		Ios Xe Search vendor "Cisco" for product "Ios Xe"				2.3.1t Search vendor "Cisco" for product "Ios Xe" and version "2.3.1t"		-		Affected
Cisco Search vendor "Cisco"		Ios Xe Search vendor "Cisco" for product "Ios Xe"				2.4 Search vendor "Cisco" for product "Ios Xe" and version "2.4"		-		Affected
Cisco Search vendor "Cisco"		Ios Xe Search vendor "Cisco" for product "Ios Xe"				2.4.0 Search vendor "Cisco" for product "Ios Xe" and version "2.4.0"		-		Affected