CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.2	$0-$5k	0.00

A vulnerability was found in Cisco IOS up to 12.x (Router Operating System). It has been rated as critical. Affected by this issue is the function gk_circuit_info_do_in_acf. The manipulation with an unknown input leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is availability. CVE summarizes:

Memory leak in the gk_circuit_info_do_in_acf function in the H.323 implementation in Cisco IOS before 15.0(1)XA allows remote attackers to cause a denial of service (memory consumption) via a large number of calls over a long duration, as demonstrated by InterZone Clear Token (IZCT) test traffic, aka Bug ID CSCsz72535.

The weakness was disclosed 01/07/2011 with Cisco (Website). The advisory is shared for download at xforce.iss.net. This vulnerability is handled as CVE-2009-5039. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available.

Upgrading to version 12.1%2820%29ew4 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at X-Force (64731). The entries 55953 and 55951 are pretty similar.

Productinfo

Type

• Router Operating System

Vendor

• Cisco

Name

• IOS

Version

• 12.x

License

• commercial

Support

• end of life (old version)

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: IOS 12.1%2820%29ew4

Timelineinfo

10/27/2009 🔍
01/07/2011 +436 days 🔍
01/07/2011 +0 days 🔍
01/07/2011 +0 days 🔍
01/07/2011 +0 days 🔍
01/12/2011 +5 days 🔍
03/19/2015 +1527 days 🔍
10/11/2021 +2398 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: xforce.iss.net
Organization: Cisco
Status: Not defined
Confirmation: 🔍

CVE: CVE-2009-5039 (🔍)
X-Force: 64731
Vulnerability Center: 29047 - H.323 Implementation in Cisco IOS before 15.0(1)XA Remote DoS Vulnerability, High
SecurityFocus: 45758 - Cisco IOS 'gk_circuit_info_do_in_acf()' Function H.323 Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 03/19/2015 23:27
Updated: 10/11/2021 08:13
Changes: 03/19/2015 23:27 (51), 03/13/2017 09:40 (10), 10/11/2021 08:13 (4)
Complete: 🔍

Discussion

Interested in the pricing of exploits?

See the underground prices here!