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.
6.7	$0-$5k	0.00

A vulnerability was found in Cisco Unified Communications Manager up to 5.1 (Unified Communication Software). It has been classified as critical. This affects an unknown functionality. The manipulation with an unknown input leads to a resource management vulnerability. CWE is classifying the issue as CWE-399. This is going to have an impact on availability. The summary by CVE is:

Cisco Unified Communications Manager (CUCM, formerly CallManager) 5.1 before 5.1(2), and Unified CallManager 5.0, allow remote attackers to cause a denial of service (kernel panic) via a flood of SIP INVITE messages to UDP port 5060, which triggers resource exhaustion, aka CSCsi75822.

The bug was discovered 10/17/2007. The weakness was disclosed 10/17/2007 (Website). It is possible to read the advisory at vupen.com. This vulnerability is uniquely identified as CVE-2007-5537 since 10/17/2007. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.

It is declared as proof-of-concept.

Upgrading to version 5.1%282%29 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at X-Force (37246). The entry 39328 is pretty similar.

Productinfo

Type

• Unified Communication Software

Vendor

• Cisco

Name

• Unified Communications Manager

Version

• 5.0
• 5.1

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: 6.7

VulDB Base Score: 7.5
VulDB Temp Score: 6.7
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
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

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: Unified Communications Manager 5.1%282%29

Timelineinfo

10/17/2007 🔍
10/17/2007 +0 days 🔍
10/17/2007 +0 days 🔍
10/17/2007 +0 days 🔍
10/17/2007 +0 days 🔍
10/17/2007 +0 days 🔍
10/17/2007 +0 days 🔍
10/18/2007 +0 days 🔍
10/18/2007 +0 days 🔍
10/22/2007 +3 days 🔍
03/16/2015 +2702 days 🔍
07/28/2019 +1595 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: vupen.com⛔
Status: Confirmed

CVE: CVE-2007-5537 (🔍)
X-Force: 37246
SecurityTracker: 1018828
Vulnerability Center: 16598 - [cisco-sa-20071017-cucm] Cisco Unified Communications Manager Vulnerability Allows Remote DoS, Medium
SecurityFocus: 26105 - Cisco Unified Communications Manager Remote Denial of Service and Buffer Overflow Vulnerabilities
Secunia: 27296
OSVDB: 37941 - Cisco Unified Communications Manager (CUCM) SIP INVITE Message Saturation Remote DoS
Vupen: ADV-2007-3532

See also: 🔍

Entryinfo

Created: 03/16/2015 12:18
Updated: 07/28/2019 09:13
Changes: 03/16/2015 12:18 (70), 07/28/2019 09:13 (1)
Complete: 🔍

Discussion

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