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.
5.7	$0-$5k	0.00

A vulnerability classified as critical was found in Nortel Multimedia Communication Server 5100 3.0.13. Affected by this vulnerability is an unknown part. The manipulation with an unknown input leads to a credentials management vulnerability. The CWE definition for the vulnerability is CWE-255. As an impact it is known to affect integrity, and availability. The summary by CVE is:

Nortel Multimedia Communication Server (MSC) 5100 3.0.13 does not verify credentials during call placement, which allows remote attackers to spoof and redirect VoIP calls, possibly related to the snoop command.

The weakness was released 01/08/2009 (Website). It is possible to read the advisory at securityfocus.com. This vulnerability is known as CVE-2008-5871 since 01/08/2009. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1552 according to MITRE ATT&CK.

It is declared as proof-of-concept.

The vulnerability is also documented in the vulnerability database at X-Force (45752). Entry connected to this vulnerability is available at VDB-45812.

Productinfo

Vendor

• Nortel

Name

• Multimedia Communication Server 5100

Version

• 3.0.13

License

• commercial

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 5.7

VulDB Base Score: 6.5
VulDB Temp Score: 5.7
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: Credentials management
CWE: CWE-255
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/08/2008 🔍
01/08/2009 +92 days 🔍
01/08/2009 +0 days 🔍
01/08/2009 +0 days 🔍
03/17/2015 +2259 days 🔍
11/30/2017 +989 days 🔍

Sourcesinfo

Vendor: nortel-canada.com

Advisory: securityfocus.com⛔
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2008-5871 (🔍)
X-Force: 45752 - Nortel Multimedia Communication Server snoop command weak security
SecurityFocus: 31640 - Nortel Networks Multimedia Communications Server Authentication Bypass Vulnerability
Secunia: 32203
Vupen: ADV-2008-2779

See also: 🔍

Entryinfo

Created: 03/17/2015 16:11
Updated: 11/30/2017 13:44
Changes: 03/17/2015 16:11 (49), 11/30/2017 13:44 (7)
Complete: 🔍
Cache ID: 18:58B:103

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