Cisco TelePresence TC up to 7.3.3 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.
7.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Cisco TelePresence TC up to 7.3.3. It has been classified as critical. Affected is an unknown function. Performing a manipulation results in access control. This vulnerability is known as CVE-2015-4271. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Cisco TelePresence TC up to 7.3.3 (Unified Communication Software). It has been classified as critical. This affects an unknown code block. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Cisco TelePresence TC before 7.3.4 on Integrator C devices allows remote attackers to bypass authentication via vectors involving multiple request parameters, aka Bug ID CSCuv00604.

The weakness was published 07/15/2015 as CSCuv00604 as confirmed advisory (Website). It is possible to read the advisory at tools.cisco.com. This vulnerability is uniquely identified as CVE-2015-4271. 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. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 85895 (Cisco TelePresence TC Software Parameter Authentication Bypass (CSCuv00604)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CISCO.

Upgrading to version 7.3.4 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (85895), SecurityFocus (BID 75939†) and Vulnerability Center (SBV-53015†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
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-284 / CWE-266
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: 85895
Nessus Name: Cisco TelePresence TC Software Parameter Authentication Bypass (CSCuv00604)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: TelePresence TC 7.3.4

Timelineinfo

06/04/2015 🔍
07/14/2015 +40 days 🔍
07/15/2015 +1 days 🔍
07/15/2015 +0 days 🔍
07/16/2015 +1 days 🔍
09/29/2015 +75 days 🔍
06/01/2022 +2437 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: CSCuv00604
Status: Confirmed

CVE: CVE-2015-4271 (🔍)
GCVE (CVE): GCVE-0-2015-4271
GCVE (VulDB): GCVE-100-76515
SecurityFocus: 75939
SecurityTracker: 1032931
Vulnerability Center: 53015 - Cisco TelePresence TC before 7.3.4 Remote Security Bypass due to Insufficient Validation of User-Supplied Values, Medium

Entryinfo

Created: 07/16/2015 11:22
Updated: 06/01/2022 03:39
Changes: 07/16/2015 11:22 (41), 10/13/2015 10:57 (13), 06/01/2022 03:23 (3), 06/01/2022 03:31 (7), 06/01/2022 03:39 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to stay up to date on a daily basis?

Enable the mail alert feature now!