VDB-98251 · CVE-2017-3811 · BID 96912

Cisco WebEx Meetings Server 2.6 xml external entity reference

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Cisco WebEx Meetings Server 2.6. Affected is an unknown function. This manipulation causes xml external entity reference. This vulnerability is handled as CVE-2017-3811. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in Cisco WebEx Meetings Server 2.6 (Unified Communication Software). It has been declared as problematic. Affected by this vulnerability is some unknown processing. The manipulation with an unknown input leads to a xml external entity reference vulnerability. The CWE definition for the vulnerability is CWE-611. The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output. As an impact it is known to affect confidentiality. The summary by CVE is:

An XML External Entity vulnerability in Cisco WebEx Meetings Server could allow an authenticated, remote attacker to have read access to part of the information stored in the affected system. More Information: CSCvc39165. Known Affected Releases: 2.6. Known Fixed Releases: 2.7.1.2054.

The bug was discovered 03/15/2017. The weakness was released 03/17/2017 as cisco-sa-20170315-wms as confirmed advisory (Website). It is possible to read the advisory at tools.cisco.com. This vulnerability is known as CVE-2017-3811 since 12/21/2016. The attack can be launched remotely. Required for exploitation is a single authentication. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 12/25/2024).

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.

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 96912†) and SecurityTracker (ID 1038042†). 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: 5.4
VulDB Meta Temp Score: 5.4

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Xml external entity reference
CWE: CWE-611 / CWE-610
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 🔍
03/17/2017 +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-wms
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-3811 (🔍)
GCVE (CVE): GCVE-0-2017-3811
GCVE (VulDB): GCVE-100-98251
SecurityFocus: 96912 - Cisco WebEx Meetings Server CVE-2017-3811 XML External Entity Information Disclosure Vulnerability
OSVDB: - CVE-2017-3811 - Cisco - WebEx Meetings Server - XML External Entity Issue
SecurityTracker: 1038042

Entryinfo

Created: 03/18/2017 02:58
Updated: 12/25/2024 18:11
Changes: 03/18/2017 02:58 (61), 09/09/2020 20:48 (5), 12/25/2024 18:11 (17)
Complete: 🔍
Cache ID: 216::103

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

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