VDB-98192 · CVE-2017-3880 · BID 96918

Cisco WebEx Meetings Server 2.5/2.6/2.7 improper authentication

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$5k-$25k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Cisco WebEx Meetings Server 2.5/2.6/2.7. The affected element is an unknown function. Such manipulation leads to improper authentication. This vulnerability is uniquely identified as CVE-2017-3880. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Cisco WebEx Meetings Server 2.5/2.6/2.7 (Unified Communication Software). Affected by this issue is an unknown part. The manipulation with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality, integrity, and availability.

The bug was discovered 03/15/2017. The weakness was disclosed 03/15/2017 by Cisco with Cisco Systems as cisco-sa-20170315-webex / CSCvd50728 as confirmed advisory (Website). The advisory is shared for download at tools.cisco.com. This vulnerability is handled as CVE-2017-3880 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 current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 09/09/2020).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at SecurityFocus (BID 96918†) and SecurityTracker (ID 1038040†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

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

Vendor Base Score (Cisco): 6.5
Vendor Vector (Cisco): 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/21/2016 🔍
03/15/2017 +84 days 🔍
03/15/2017 +0 days 🔍
03/15/2017 +0 days 🔍
03/15/2017 +0 days 🔍
03/16/2017 +1 days 🔍
03/17/2017 +1 days 🔍
09/09/2020 +1272 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20170315-webex / CSCvd50728
Researcher: Cisco
Organization: Cisco Systems
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-3880 (🔍)
GCVE (CVE): GCVE-0-2017-3880
GCVE (VulDB): GCVE-100-98192
SecurityFocus: 96918 - Cisco WebEx Meetings Server CVE-2017-3880 Authentication Bypass Vulnerability
OSVDB: - CVE-2017-3880 - Cisco - WebEx Meetings Server - Authentication Bypass Issue
SecurityTracker: 1038040

Entryinfo

Created: 03/16/2017 15:19
Updated: 09/09/2020 12:19
Changes: 03/16/2017 15:19 (73), 09/09/2020 12:19 (6)
Complete: 🔍
Cache ID: 216::103

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

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