OATHAuth Extension up to 1.31.9/1.32.x/1.34.3 on MediaWiki Multiple Requests improper authentication

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability was found in OATHAuth Extension up to 1.31.9/1.32.x/1.34.3 on MediaWiki and classified as problematic. Affected is an unknown function. Executing a manipulation as part of Multiple Requests can lead to improper authentication. This vulnerability is registered as CVE-2020-25827. It is possible to launch the attack remotely. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in OATHAuth Extension up to 1.31.9/1.32.x/1.34.3 on MediaWiki and classified as problematic. This vulnerability affects an unknown code. The manipulation as part of a Multiple Requests leads to a improper authentication vulnerability. The CWE definition for the vulnerability is CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. As an impact it is known to affect confidentiality. CVE summarizes:

An issue was discovered in the OATHAuth extension in MediaWiki before 1.31.10 and 1.32.x through 1.34.x before 1.34.4. For Wikis using OATHAuth on a farm/cluster (such as via CentralAuth), rate limiting of OATH tokens is only done on a single site level. Thus, multiple requests can be made across many wikis/sites concurrently.

The weakness was published 09/27/2020 (Website). The advisory is shared for download at lists.wikimedia.org. This vulnerability was named CVE-2020-25827 since 09/23/2020. The exploitation appears to be difficult. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 248442 (Linux Distros Unpatched Vulnerability : CVE-2020-25827), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 1.31.10 or 1.34.4 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (248442). Similar entries are available at VDB-162036, VDB-162037, VDB-162038 and VDB-162039. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.5

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

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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Nessus ID: 248442
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2020-25827

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: OATHAuth Extension 1.31.10/1.34.4

Timelineinfo

09/23/2020 🔍
09/27/2020 +4 days 🔍
09/28/2020 +1 days 🔍
08/12/2025 +1779 days 🔍

Sourcesinfo

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

CVE: CVE-2020-25827 (🔍)
GCVE (CVE): GCVE-0-2020-25827
GCVE (VulDB): GCVE-100-162040
See also: 🔍

Entryinfo

Created: 09/28/2020 07:22
Updated: 08/12/2025 06:23
Changes: 09/28/2020 07:22 (40), 09/28/2020 07:27 (3), 11/13/2020 07:57 (2), 11/14/2020 17:59 (1), 11/14/2020 18:02 (8), 08/12/2025 06:23 (20)
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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