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CVE-2021-21440— Support Bundle includes S/Mime and PGP keys

Quick assessment

Affected
OTRS AG ((OTRS)) Community Edition
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 AG ((OTRS)) Community Edition存在信息泄露漏洞，该漏洞源于生成的支持包包含私有的S MIME和PGP密钥，如果包含的文件夹没有被隐藏。

CVSS 5.2 · Medium EPSS 0.79% · P55

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2021-21440

Vulnerability Information
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Vulnerability Title
Support Bundle includes S/Mime and PGP keys
Source: CVE Program / CVE List V5
Vulnerability Description
Generated Support Bundles contains private S/MIME and PGP keys if containing folder is not hidden. This issue affects: OTRS AG ((OTRS)) Community Edition 6.0.x version 6.0.1 and later versions. OTRS AG OTRS 7.0.x version 7.0.27 and prior versions; 8.0.x version 8.0.14 and prior versions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
OTRS 信息泄露漏洞
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 AG ((OTRS)) Community Edition存在信息泄露漏洞，该漏洞源于生成的支持包包含私有的S MIME和PGP密钥，如果包含的文件夹没有被隐藏。
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 ((OTRS)) Community Edition 6.0.1 ~ 6.0.x* -
OTRS AG OTRS 7.0.x ~ 7.0.27 -

II. Public POCs for CVE-2021-21440

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III. Intelligence Information for CVE-2021-21440

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Mailing List Discussions for CVE-2021-21440 (1)

Other References for CVE-2021-21440 (1)

Same Patch Batch · OTRS AG · 2021-07-26 · 5 CVEs total

CVE-2021-36092 6.5 MEDIUM XSS attack using special link in email
CVE-2021-21442 4.5 MEDIUM XSS vulnerability in Time Accounting
CVE-2021-21443 3.5 LOW Unautorized listing of the customer user emails
CVE-2021-36091 3.5 LOW Unautorized access to the calendar appointments

IV. Related Vulnerabilities

Same product: ((OTRS)) Community Edition
Same vendor: OTRS AG
Same weakness: CWE-200

V. Comments for CVE-2021-21440

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