MediaWiki up to 1.35.4/1.36.2/1.37.0 Private Wiki information disclosure

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 (≈)
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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.
3.4$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in MediaWiki up to 1.35.4/1.36.2/1.37.0. The impacted element is an unknown function of the component Private Wiki Handler. Performing a manipulation results in information disclosure. This vulnerability is identified as CVE-2021-45038. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in MediaWiki up to 1.35.4/1.36.2/1.37.0 (Content Management System). This affects some unknown processing of the component Private Wiki Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality.

The weakness was released 12/17/2021. The advisory is shared at phabricator.wikimedia.org. This vulnerability is uniquely identified as CVE-2021-45038 since 12/13/2021. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

Upgrading to version 1.35.5, 1.36.3 or 1.37.1 eliminates this vulnerability. The upgrade is hosted for download at mediawiki.org.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: MediaWiki 1.35.5/1.36.3/1.37.1

Timelineinfo

12/13/2021 🔍
12/17/2021 +4 days 🔍
12/17/2021 +0 days 🔍
12/22/2021 +5 days 🔍

Sourcesinfo

Product: mediawiki.org

Advisory: phabricator.wikimedia.org
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-45038 (🔍)
GCVE (CVE): GCVE-0-2021-45038
GCVE (VulDB): GCVE-100-188481

Entryinfo

Created: 12/17/2021 07:41
Updated: 12/22/2021 16:53
Changes: 12/17/2021 07:41 (40), 12/22/2021 16:53 (2)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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