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CVE-2021-31547

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。AbuseFilter extension是其中的一个编辑过滤器扩展程序。 MediaWiki 1.35.2版本及之前版本的AbuseFilter extension存在安全漏洞，该漏洞源于AbuseFilterCheckMatch API通过精心设计的abusfilter规则迭代向非特权用户显示用户名和编辑功能。

AI Predicted 7.5 Difficulty: Easy EPSS 0.87% · P56

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2021-31547

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An issue was discovered in the AbuseFilter extension for MediaWiki through 1.35.2. Its AbuseFilterCheckMatch API reveals suppressed edits and usernames to unprivileged users through the iteration of crafted AbuseFilter rules.
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 AbuseFilter extension 信息泄露漏洞
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。AbuseFilter extension是其中的一个编辑过滤器扩展程序。 MediaWiki 1.35.2版本及之前版本的AbuseFilter extension存在安全漏洞，该漏洞源于AbuseFilterCheckMatch API通过精心设计的abusfilter规则迭代向非特权用户显示用户名和编辑功能。
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-2021-31547

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III. Intelligence Information for CVE-2021-31547

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Other References for CVE-2021-31547 (3)

Same Patch Batch · n/a · 2021-04-22 · 24 CVEs total

CVE-2021-3287 Zoho ManageEngine OpManager 代码问题漏洞
CVE-2021-3496 jhead 缓冲区错误漏洞
CVE-2021-31555 MediaWiki 输入验证错误漏洞
CVE-2021-31554 MediaWiki AbuseFilter extension 安全漏洞
CVE-2021-31553 MediaWiki 代码问题漏洞
CVE-2021-31552 MediaWiki AbuseFilter extension 安全漏洞
CVE-2021-31551 MediaWiki 跨站脚本漏洞
CVE-2021-31550 MediaWiki 跨站脚本漏洞
CVE-2021-31549 MediaWiki 信息泄露漏洞
CVE-2021-31548 MediaWiki AbuseFilter extension 安全漏洞
CVE-2021-31546 MediaWiki 信息泄露漏洞
CVE-2021-31545 MediaWiki 信息泄露漏洞
CVE-2021-31597 Dan DeFelippi node-XMLHttpRequest 信任管理问题漏洞
CVE-2021-27736 FusionAuth fusionauth-samlv2 代码问题漏洞
CVE-2021-30476 HashiCorp Terraform 安全漏洞
CVE-2021-29653 HashiCorp Vault 信任管理问题漏洞
CVE-2021-27400 HashiCorp Vault 信任管理问题漏洞
CVE-2021-30356 Check Point Identity Agent 后置链接漏洞
CVE-2021-31571 亚马逊 Amazon FreeRTOS 输入验证错误漏洞
CVE-2021-31572 亚马逊 Amazon FreeRTOS 输入验证错误漏洞

Showing top 20 of 24 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

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

V. Comments for CVE-2021-31547

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