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CVE-2021-23123— [20210101] - Core - com_modules exposes module names

Quick assessment

Affected
Joomla! Project Joomla! CMS
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.

Joomla是美国Open Source Matters团队的一套使用PHP和MySQL开发的开源、跨平台的内容管理系统(CMS)。 Joomla 3.0.0到3.9.23 存在安全漏洞，该漏洞源于程序未正确进行数据检查，攻击者可利用该漏洞获取敏感信息。

AI Predicted 7.5 Difficulty: Easy EPSS 1.17% · P66

Possible ATT&CK Techniques 1 AI

T1135 · Network Share Discovery
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I. Basic Information for CVE-2021-23123

Vulnerability Information
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Vulnerability Title
[20210101] - Core - com_modules exposes module names
Source: CVE Program / CVE List V5
Vulnerability Description
An issue was discovered in Joomla! 3.0.0 through 3.9.23. The lack of ACL checks in the orderPosition endpoint of com_modules leak names of unpublished and/or inaccessible modules.
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
Open Source Matters Joomla 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Joomla是美国Open Source Matters团队的一套使用PHP和MySQL开发的开源、跨平台的内容管理系统(CMS)。 Joomla 3.0.0到3.9.23 存在安全漏洞，该漏洞源于程序未正确进行数据检查，攻击者可利用该漏洞获取敏感信息。
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
Joomla! Project Joomla! CMS 3.0.0-3.9.23 -

II. Public POCs for CVE-2021-23123

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III. Intelligence Information for CVE-2021-23123

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Other References for CVE-2021-23123 (1)

Same Patch Batch · Joomla! Project · 2021-01-12 · 3 CVEs total

CVE-2021-23124 [20210102] - Core - XSS in mod_breadcrumbs aria-label attribute
CVE-2021-23125 [20210103] - Core - XSS in com_tags image parameters

IV. Related Vulnerabilities

Same product: Joomla! CMS
Same vendor: Joomla! Project

V. Comments for CVE-2021-23123

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