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.
6.8	$0-$5k	0.00

A vulnerability classified as problematic has been found in Cisco Expressway and TelePresence VCS (Unified Communication Software) (version unknown). This affects an unknown function of the component H.224 Data Handler. The manipulation as part of a H.323 Call leads to a resource management vulnerability. CWE is classifying the issue as CWE-399. This is going to have an impact on availability.

The bug was discovered 01/25/2017. The weakness was published 01/25/2017 with Cisco as cisco-sa-20170125-expressway as confirmed advisory (Website). It is possible to read the advisory at tools.cisco.com. This vulnerability is uniquely identified as CVE-2017-3790 since 12/21/2016. 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 vulnerability scanner Nessus provides a plugin with the ID 97326 (Cisco TelePresence VCS / Expressway < 8.8.2 Received Packet Parser DoS), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CISCO and running in the context r.

Upgrading 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 Tenable (97326) and SecurityFocus (BID 95786†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Unified Communication Software

Vendor

• Cisco

Name

• Expressway
• TelePresence VCS

License

• commercial

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.8

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.6
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 97326
Nessus Name: Cisco TelePresence VCS / Expressway < 8.8.2 Received Packet Parser DoS
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 803167
OpenVAS Name: Cisco TelePresence VCS Denial of Service Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Timelineinfo

12/21/2016 🔍
01/25/2017 +35 days 🔍
01/25/2017 +0 days 🔍
01/25/2017 +0 days 🔍
01/25/2017 +0 days 🔍
01/27/2017 +2 days 🔍
02/01/2017 +5 days 🔍
02/22/2017 +21 days 🔍
11/04/2022 +2081 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20170125-expressway
Organization: Cisco
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-3790 (🔍)
GCVE (CVE): GCVE-0-2017-3790
GCVE (VulDB): GCVE-100-96075
SecurityFocus: 95786 - Cisco Expressway Series and Cisco TelePresence VCS CVE-2017-3790 Denial of Service Vulnerability
OSVDB: - CVE-2017-3790 - Cisco - Multiple Products - Denial of Service Issue
SecurityTracker: 1037697

Entryinfo

Created: 01/27/2017 02:39 PM
Updated: 11/04/2022 10:29 AM
Changes: 01/27/2017 02:39 PM (70), 08/04/2020 11:20 AM (8), 11/04/2022 10:29 AM (5)
Complete: 🔍
Cache ID: 18:6B5:40

Discussion

Do you want to use VulDB in your project?

Use the official API to access entries easily!