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CVE-2021-21435— Information exposure in PDF export

Quick assessment

Affected
OTRS AG OTRS
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 ITSM是德国OTRS公司的一套IT服务管理组织的基础解决方案。该方案以ITIL最佳实践为基础，提供请求和故障管理、问题管理、变更管理和发布管理的管理工具。 OTRS AG OTRS 中存在信息泄露漏洞，该漏洞源于当客户通过外部接口打印票据(PDF)时，将显示文章密件字段和代理人个人信息。以下产品及型号受到影响:OTRS AG OTRS 7.0.x、7.0.23和以前的版本、8.0。x版本、8.0.10和以前的版本。

CVSS 5.7 · Medium EPSS 1.27% · P68

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2021-21435

Vulnerability Information
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Vulnerability Title
Information exposure in PDF export
Source: CVE Program / CVE List V5
Vulnerability Description
Article Bcc fields and agent personal information are shown when customer prints the ticket (PDF) via external interface. This issue affects: OTRS AG OTRS 7.0.x version 7.0.23 and prior versions; 8.0.x version 8.0.10 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:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
OTRS ITSM 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OTRS ITSM是德国OTRS公司的一套IT服务管理组织的基础解决方案。该方案以ITIL最佳实践为基础，提供请求和故障管理、问题管理、变更管理和发布管理的管理工具。 OTRS AG OTRS 中存在信息泄露漏洞，该漏洞源于当客户通过外部接口打印票据(PDF)时，将显示文章密件字段和代理人个人信息。以下产品及型号受到影响:OTRS AG OTRS 7.0.x、7.0.23和以前的版本、8.0。x版本、8.0.10和以前的版本。
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 7.0.x ~ 7.0.23 -

II. Public POCs for CVE-2021-21435

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III. Intelligence Information for CVE-2021-21435

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Other References for CVE-2021-21435 (1)

Same Patch Batch · OTRS AG · 2021-02-08 · 4 CVEs total

CVE-2020-1779 4.3 MEDIUM Dynamic templates reveal sensitive data when OTRS tags are used
CVE-2021-21434 3.5 LOW XSS in Survey Module
CVE-2021-21436 3.5 LOW Agent is able to link customer's Config Items without permission

IV. Related Vulnerabilities

Same product: OTRS
Same vendor: OTRS AG
Same weakness: CWE-200

V. Comments for CVE-2021-21435

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