OTRS Security Advisory 2021-02

Please read carefully and check if the version of your OTRS system is affected by this vulnerability.

Please send information regarding vulnerabilities in OTRS to: security@otrs.org

Security Advisory Details

• ID: OSA-2021-02
• Date: 2021-02-08
• Title: Information exposure in PDF export
• Severity: 5.7 MEDIUM
• Product: OTRS 8.0.x, OTRS 7.0.x, OTRS 6.0.x
• Fixed in: OTRS 8.0.11, OTRS 7.0.24
• FULL CVSS v3.1 VECTOR: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
• References: CVE-2021-21435

Product Affected:

This issue affects ((OTRS)) Community Edition 6.0.x. This issue affects OTRS 7.0.x, 8.0.x.

Problem:

Article Bcc fields and agent personal information are shown when customer prints the ticket (PDF) via external interface.

This issue affects

((OTRS)) Community Edition

6.0.x version 6.0.30 and prior versions.

OTRS:

7.0.x version 7.0.23 and prior versions;

8.0.x version 8.0.10 and prior versions.

This issue was found during internal product security testing or research.

This issue has been assigned CVE-2021-21435.

SOLUTION:

Update to OTRS 8.0.11, OTRS 7.0.24,

MODIFICATION HISTORY:

2021-02-08: Initial Publication.

Related Links:

• CVE-2021-21435 at cve.mitre.org
• https://otrs.com/release-notes/otrs-security-advisory-2021-02/

CVSS Score:

5.7 (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N)

Risk Level:

Medium

Aknowledgement:

László Gyaraki