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CVE-2021-41799

Quick assessment

Affected
n/a n/a
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

MediaWiki是美国维基媒体（MediaWiki）基金会的一套自由免费的基于网络的Wiki引擎。该产品可用于部署内部的知识管理和内容管理系统。 MediaWiki 存在资源管理错误漏洞，该漏洞源于处理ApiQueryBacklinks时，可能会启动全db表扫描，这可能会导致资源耗尽，并导致拒绝服务(DoS)。

AI Predicted 5.3 Difficulty: Easy EPSS 1.70% · P75

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2021-41799

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
MediaWiki before 1.36.2 allows a denial of service (resource consumption because of lengthy query processing time). ApiQueryBacklinks (action=query&list=backlinks) can cause a full table scan.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
MediaWiki 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MediaWiki是美国维基媒体（MediaWiki）基金会的一套自由免费的基于网络的Wiki引擎。该产品可用于部署内部的知识管理和内容管理系统。 MediaWiki 存在资源管理错误漏洞，该漏洞源于处理ApiQueryBacklinks时，可能会启动全db表扫描，这可能会导致资源耗尽，并导致拒绝服务(DoS)。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
- n/a n/a -

II. Public POCs for CVE-2021-41799

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III. Intelligence Information for CVE-2021-41799

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Vendor Advisories for CVE-2021-41799 (1)

Mailing List Discussions for CVE-2021-41799 (4)

Other References for CVE-2021-41799 (1)

Same Patch Batch · n/a · 2021-10-11 · 39 CVEs total

CVE-2021-23448 6.5 MEDIUM Prototype Pollution
CVE-2021-42139 Deno 代码注入漏洞
CVE-2021-40884 Projectsend 安全漏洞
CVE-2021-40886 ProjectSend 路径遍历漏洞
CVE-2021-40887 ProjectSend 路径遍历漏洞
CVE-2021-40888 ProjectSend 跨站脚本漏洞
CVE-2021-40889 CMSUno 代码注入漏洞
CVE-2021-35060 OpenWay Group WAY4 ACS 安全漏洞
CVE-2021-35059 OpenWay Group Way4 Acs 跨站脚本漏洞
CVE-2021-41801 MediaWiki 安全漏洞
CVE-2021-29004 rConfig SQL注入漏洞
CVE-2021-42137 Zammad 安全漏洞
CVE-2021-42135 Hashicorp HashiCorp Vault 安全漏洞
CVE-2021-41055 Gajim 安全漏洞
CVE-2021-42134 Django 跨站脚本漏洞
CVE-2021-32028 PostgreSQL 信息泄露漏洞
CVE-2021-41798 MediaWiki 跨站脚本漏洞
CVE-2021-41800 MediaWiki 访问控制错误漏洞
CVE-2021-42257 Suse Check_smart 输入验证错误漏洞
CVE-2021-42260 TinyXML 安全漏洞

Showing top 20 of 39 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2021-41799

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