Cisco TelePresence TC/TE prior TC 6.3.1/TC 7.1.1 Serial Port access control

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.
7.3$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Cisco TelePresence TC and TE. This issue affects some unknown processing of the component Serial Port Handler. The manipulation leads to access control. This vulnerability is uniquely identified as CVE-2014-2173. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Cisco TelePresence TC and TE (Unified Communication Software) and classified as critical. This issue affects some unknown functionality of the component Serial Port Handler. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Cisco TelePresence TC Software 4.x and 5.x and TE Software 4.x and 6.0 do not properly restrict access to the serial port, which allows local users to gain privileges via unspecified commands, aka Bug ID CSCub67692.

The weakness was disclosed 04/30/2014 with Cisco as cisco-sa-20140430-tcte as confirmed advisory (Website). It is possible to read the advisory at tools.cisco.com. The identification of this vulnerability is CVE-2014-2173 since 02/25/2014. The exploitation is known to be easy. Attacking locally is a requirement. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

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. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (92936), Tenable (73916), SecurityFocus (BID 67170†), Secunia (SA58156†) and SecurityTracker (ID 1030181†). tools.cisco.com is providing further details. The entries VDB-13128, VDB-13126, VDB-13125 and VDB-13124 are pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

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: 8.4
VulDB Meta Temp Score: 7.3

VulDB Base Score: 8.4
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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

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 🔍
05/12/2014 +10 days 🔍
05/12/2026 +4383 days 🔍

Sourcesinfo

Vendor: cisco.com

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

CVE: CVE-2014-2173 (🔍)
GCVE (CVE): GCVE-0-2014-2173
GCVE (VulDB): GCVE-100-13127

IAVM: 🔍

X-Force: 92936 - Cisco TelePresence TC Software serial port privilege escalation, 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: 44449 - [cisco-sa-20140430-tcte] Cisco TelePresence TC and TE Local Code Execution due to Unauthenticated Serial Port Access - CVE-2014-2173, High

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 05/01/2014 23:44
Updated: 05/12/2026 16:31
Changes: 05/01/2014 23:44 (84), 05/27/2017 23:12 (3), 06/19/2021 09:47 (3), 05/12/2026 16:31 (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.

◂ PreviousOverviewNext ▸

Do you need the next level of professionalism?

Upgrade your account now!