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CVE-2021-21438— FAQ articles are shown to users without permission

Quick assessment

Affected
OTRS AG FAQ
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.

OTRS是德国 （OTRS）公司的一个应用软件。一个服务管理软件。 OTRS 存在安全漏洞，该漏洞源于在没有许可的情况下查看链接的FAQ文章。

CVSS 3.5 · Low EPSS 0.63% · P49

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2021-21438

Vulnerability Information
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Vulnerability Title
FAQ articles are shown to users without permission
Source: CVE Program / CVE List V5
Vulnerability Description
Agents are able to see linked FAQ articles without permissions (defined in FAQ Category). This issue affects: FAQ version 6.0.29 and prior versions, OTRS version 7.0.24 and prior versions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
权限、特权和访问控制
Source: CVE Program / CVE List V5
Vulnerability Title
OTRS OTRS 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OTRS是德国 （OTRS）公司的一个应用软件。一个服务管理软件。 OTRS 存在安全漏洞，该漏洞源于在没有许可的情况下查看链接的FAQ文章。
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
OTRS AG FAQ 6.0.x ~ 6.0.29 -
OTRS AG OTRS unspecified ~ 7.0.24 -

II. Public POCs for CVE-2021-21438

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2021-21438

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Other References for CVE-2021-21438 (1)

IV. Related Vulnerabilities

Same vendor: OTRS AG
Same weakness: CWE-264

V. Comments for CVE-2021-21438

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