Cisco TelePresence TC/TE prior TC 6.3.1/TC 7.1.1 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.
6.5$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Cisco TelePresence TC and TE. This affects an unknown function of the component SIP Processing Handler. Executing a manipulation can lead to input validation. This vulnerability is registered as CVE-2014-2166. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Cisco TelePresence TC and TE (Unified Communication Software). It has been declared as critical. This vulnerability affects some unknown functionality 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. CVE summarizes:

The SIP implementation in Cisco TelePresence TC Software 4.x and TE Software 4.x allows remote attackers to cause a denial of service (device reload) via crafted SIP packets, aka Bug ID CSCto70562.

The weakness was published 04/30/2014 with Cisco as cisco-sa-20140430-tcte as confirmed advisory (Website). The advisory is shared for download at tools.cisco.com. This vulnerability was named CVE-2014-2166 since 02/25/2014. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The advisory points out:

These vulnerabilities are due to improper handling of crafted or malformed SIP packets. An attacker could exploit this vulnerability by sending the crafted packets to the affected system.

The vulnerability scanner Nessus provides a plugin with the ID 73916 (Cisco TelePresence TC and TE Software Multiple Vulnerabilities (cisco-sa-20140430-tcte)), 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 42437 (Cisco TelePresence TC and TE Software Multiple Vulnerabilities (cisco-sa-20140430-tcte)).

Upgrading to version TC 6.3.1 or TC 7.1.1 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 X-Force (92929), Tenable (73916), SecurityFocus (BID 67170†), Secunia (SA58156†) and SecurityTracker (ID 1030181†). Additional details are provided at tools.cisco.com. Similar entries are available at VDB-13128, VDB-13127, VDB-13126 and VDB-13125. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Affected

  • Cisco TelePresence TC up to 7.1.1
  • Cisco TelePresence TE up to 6.3.0

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 6.5

VulDB Base Score: 7.5
VulDB Temp Score: 6.5
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: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 73916
Nessus Name: Cisco TelePresence TC and TE Software Multiple Vulnerabilities (cisco-sa-20140430-tcte)
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 TC/TE TC 6.3.1/TC 7.1.1
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 🔍
05/05/2014 +3 days 🔍
05/12/2026 +4390 days 🔍

Sourcesinfo

Vendor: cisco.com

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

CVE: CVE-2014-2166 (🔍)
GCVE (CVE): GCVE-0-2014-2166
GCVE (VulDB): GCVE-100-13120

IAVM: 🔍

X-Force: 92929 - Cisco TelePresence TC Software SIP denial of service, High Risk
SecurityFocus: 67170 - Cisco TelePresence TC and TE Software Multiple Security Vulnerabilities
Secunia: 58156 - Cisco TelePresence TC / TE Multiple Vulnerabilities, Moderately Critical
SecurityTracker: 1030181 - Cisco TelePresence TC and TE Bugs Let Remote Users Execute Arbitrary Code and Deny Service and Let Local Users Gain Elevated Privileges
Vulnerability Center: 44384 - [cisco-sa-20140430-tcte] Cisco TelePresence C Remote DoS via a Crafted SIP Packets - CVE-2014-2166, High

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 05/01/2014 23:44
Updated: 05/12/2026 15:17
Changes: 05/01/2014 23:44 (50), 05/27/2017 10:41 (39), 06/19/2021 09:25 (3), 05/12/2026 15:17 (15)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you want to use VulDB in your project?

Use the official API to access entries easily!