CVE-2009-2051

Severity Score

7.8

*CVSS v2

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Cisco IOS 12.2 through 12.4 and 15.0 through 15.1, Cisco IOS XE 2.5.x and 2.6.x before 2.6.1, and Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 4.x, 5.x before 5.1(3g), 6.x before 6.1(4), and 7.x before 7.1(2) allow remote attackers to cause a denial of service (device reload or voice-services outage) via a malformed SIP INVITE message that triggers an improper call to the sipSafeStrlen function, aka Bug IDs CSCsz40392 and CSCsz43987.

Cisco Unified Communications Manager (también conocido como CUCM, formalmente CallManager) v4.x, v5.x anteriores a v5.1(3g), v6.x anteriores v6.1(4), y v7.x anteriores v7.1(2) permite a los atacantes remotos causar una denegación de servicio (parada del servicio de voz) a través de mensajes malformados SIP INVITE que lanzan una llamada incorrecta a la función sipSafeStrlen, también conocida como Bug ID CSCsz40392.

*Credits: N/A

CVSS Scores

NISTv2 7.8

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

2009-06-12 CVE Reserved
2009-08-26 CVE Published
2023-03-07 EPSS Updated
2024-08-07 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CAPEC

References (7)

URL	Tag	Source
http://osvdb.org/57453	Broken Link
http://secunia.com/advisories/36498	Third Party Advisory
http://secunia.com/advisories/36499	Third Party Advisory
http://www.securityfocus.com/bid/36152	Third Party Advisory
http://www.securitytracker.com/id?1022775	Third Party Advisory

URL	Date	SRC

URL	Date	SRC
http://www.cisco.com/en/US/products/products_security_advisory09186a0080af2d11.shtml	2021-10-06

URL	Date	SRC
http://www.cisco.com/en/US/products/products_security_advisory09186a0080b4a30f.shtml	2021-10-06

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Cisco Search vendor "Cisco"		Unified Communications Manager Search vendor "Cisco" for product "Unified Communications Manager"				>= 5.0 < 5.1\(3g\) Search vendor "Cisco" for product "Unified Communications Manager" and version " >= 5.0 < 5.1\(3g\)"		-		Affected
Cisco Search vendor "Cisco"		Unified Communications Manager Search vendor "Cisco" for product "Unified Communications Manager"				>= 6.1\(1\) < 6.1\(4\) Search vendor "Cisco" for product "Unified Communications Manager" and version " >= 6.1\(1\) < 6.1\(4\)"		-		Affected
Cisco Search vendor "Cisco"		Unified Communications Manager Search vendor "Cisco" for product "Unified Communications Manager"				>= 7.1 < 7.1\(2\) Search vendor "Cisco" for product "Unified Communications Manager" and version " >= 7.1 < 7.1\(2\)"		-		Affected
Cisco Search vendor "Cisco"		Ios Search vendor "Cisco" for product "Ios"				>= 12.2 <= 12.4 Search vendor "Cisco" for product "Ios" and version " >= 12.2 <= 12.4"		-		Affected
Cisco Search vendor "Cisco"		Ios Search vendor "Cisco" for product "Ios"				>= 15.0 <= 15.1 Search vendor "Cisco" for product "Ios" and version " >= 15.0 <= 15.1"		-		Affected
Cisco Search vendor "Cisco"		Ios Xe Search vendor "Cisco" for product "Ios Xe"				>= 2.5.0 <= 2.6.1 Search vendor "Cisco" for product "Ios Xe" and version " >= 2.5.0 <= 2.6.1"		-		Affected