Cisco TelePresence MXP up to F9.3.0 SIP Processing input validation

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-$5k0.00

Summaryinfo

A vulnerability was found in Cisco TelePresence MXP up to F9.3.0. It has been rated as problematic. Affected is an unknown function of the component SIP Processing Handler. This manipulation causes input validation. This vulnerability is handled as CVE-2014-2157. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Cisco TelePresence MXP up to F9.3.0 (Unified Communication Software). It has been declared as critical. Affected by this vulnerability is an unknown function of the component SIP Processing Handler. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect availability. The summary by CVE is:

Cisco TelePresence System MXP Series Software before F9.3.1 allows remote attackers to cause a denial of service (device reload) via crafted SIP packets, aka Bug ID CSCty45733.

The weakness was released 04/30/2014 with Cisco as cisco-sa-20140430-mxp as confirmed advisory (Website). It is possible to read the advisory at tools.cisco.com. This vulnerability is known as CVE-2014-2157 since 02/25/2014. 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 advisory points out:

These vulnerabilities can be triggered by SIP messages sent via UDP or TCP. Messages sent via Transport Layer Security (TLS) will also be affected.

The vulnerability scanner Nessus provides a plugin with the ID 73915 (Cisco TelePresence MXP Series Software Multiple Vulnerabilities (cisco-sa-20140430-mxp)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CISCO. The commercial vulnerability scanner Qualys is able to test this issue with plugin 42438 (Cisco TelePresence System MXP Series Multiple Vulnerabilities (cisco-sa-20140430-mxp)).

Upgrading to version F9.3.1 eliminates this vulnerability.Proper firewalling of udp/5060 (sip-udp), tcp/5060 (sip-tcp), tcp/5061 (sip-tls) is able to address this issue. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (73915), SecurityFocus (BID 67166†), Secunia (SA58418†), SecurityTracker (ID 1030183†) and Vulnerability Center (SBV-44375†). Additional details are provided at tools.cisco.com. Entries connected to this vulnerability are available at VDB-13128, VDB-13115, VDB-13114 and VDB-13113. Be aware that VulDB is the high quality source for vulnerability data.

Affected

  • Cisco TelePresence System 1000/1700 MXP
  • Cisco TelePresence System Edge 75/85/95 MXP
  • Cisco TelePresence System Codec 3000/6000 MXP
  • Tandberg 550/770/880/990/2000 MXP

Not Affected

  • Tandberg 150 MXP

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

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

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 73915
Nessus Name: Cisco TelePresence MXP Series Software Multiple Vulnerabilities (cisco-sa-20140430-mxp)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: TelePresence MXP F9.3.1
Firewalling: 🔍

Timelineinfo

02/25/2014 🔍
04/30/2014 +64 days 🔍
04/30/2014 +0 days 🔍
04/30/2014 +0 days 🔍
04/30/2014 +0 days 🔍
04/30/2014 +0 days 🔍
05/01/2014 +1 days 🔍
05/02/2014 +1 days 🔍
05/02/2014 +0 days 🔍
05/04/2014 +2 days 🔍
05/12/2026 +4391 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20140430-mxp
Organization: Cisco
Status: Confirmed

CVE: CVE-2014-2157 (🔍)
GCVE (CVE): GCVE-0-2014-2157
GCVE (VulDB): GCVE-100-13111

IAVM: 🔍

SecurityFocus: 67166 - Cisco TelePresence System SIP Code Multiple Remote Denial of Service Vulnerabilities
Secunia: 58418 - Cisco TelePresence System MXP Series Multiple Denial of Service Vulnerabilities, Less Critical
SecurityTracker: 1030183 - Cisco TelePresence MXP Series SIP Processing Flaws Let Remote Users Deny Service
Vulnerability Center: 44375 - [cisco-sa-20140430-mxp] Cisco TelePresence System MXP Series Remote DoS via a Crafted SIP Packets - CVE-2014-2157, High

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 05/01/2014 22:00
Updated: 05/12/2026 14:19
Changes: 05/01/2014 22:00 (51), 05/27/2017 10:38 (36), 06/19/2021 08:50 (3), 05/12/2026 14:19 (15)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

Want to know what is going to be exploited?

We predict KEV entries!