What’s Vulnerable › Vulnerabilities

CVE-2021-21435: Information exposure in PDF export

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-02-08 · updated 2026-06-17
• Weakness: CWE-200

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.

Affected products

• OTRS AG OTRS: from 6.0.0 through 6.0.30; from 7.0.0 through 7.0.23; from 8.0.0 through 8.0.10

References

• https://otrs.com/release-notes/otrs-security-advisory-2021-02/
• https://otrs.com/release-notes/otrs-security-advisory-2021-02/

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