VDB-98252 · CVE-2017-3815 · BID 96922

Cisco TelePresence Server up to 4.2 Managed Mode 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.
6.2$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Cisco TelePresence Server up to 4.2. Affected by this vulnerability is an unknown functionality of the component Managed Mode. Such manipulation leads to access control. This vulnerability is uniquely identified as CVE-2017-3815. The attack can be launched remotely. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Cisco TelePresence Server up to 4.2 (Unified Communication Software). It has been rated as critical. Affected by this issue is an unknown function of the component Managed Mode. 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. CVE summarizes:

An API Privilege vulnerability in Cisco TelePresence Server Software could allow an unauthenticated, remote attacker to emulate Cisco TelePresence Server endpoints. Affected Products: This vulnerability affects Cisco TelePresence Server MSE 8710 Processors that are running a software release prior to Cisco TelePresence Software Release 4.3 and are running in locally managed mode. The vulnerable API was deprecated in Cisco TelePresence Software Release 4.3. More Information: CSCvc37616.

The bug was discovered 03/15/2017. The weakness was disclosed 03/17/2017 with Cisco as cisco-sa-20170315-tps as confirmed advisory (Website). The advisory is shared for download at tools.cisco.com. This vulnerability is handled as CVE-2017-3815 since 12/21/2016. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $5k-$25k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 38663 (Cisco TelePresence Server API Privilege Vulnerability (cisco-sa-20170315-tps)).

Upgrading to version 4.3 eliminates this vulnerability.

The vulnerability is also documented in the databases at SecurityFocus (BID 96922†) and SecurityTracker (ID 1038035†). Once again VulDB remains the best source 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: 6.3
VulDB Meta Temp Score: 6.2

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

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: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

OpenVAS ID: 802459
OpenVAS Name: Cisco TelePresence Server API Privilege Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: TelePresence Server 4.3

Timelineinfo

12/21/2016 🔍
03/15/2017 +84 days 🔍
03/15/2017 +0 days 🔍
03/17/2017 +2 days 🔍
03/17/2017 +0 days 🔍
03/18/2017 +1 days 🔍
12/25/2024 +2839 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20170315-tps
Organization: Cisco
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-3815 (🔍)
GCVE (CVE): GCVE-0-2017-3815
GCVE (VulDB): GCVE-100-98252
SecurityFocus: 96922 - Cisco TelePresence Server Software CVE-2017-3815 Privilege Escalation Vulnerability
OSVDB: - CVE-2017-3815 - Cisco - TelePresence Server - Privilege Escalation Issue
SecurityTracker: 1038035

Entryinfo

Created: 03/18/2017 02:58
Updated: 12/25/2024 18:11
Changes: 03/18/2017 02:58 (67), 09/09/2020 18:26 (6), 08/28/2024 15:32 (18), 12/25/2024 18:11 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Might our Artificial Intelligence support you?

Check our Alexa App!