CVE-2021-36093

MEDIUM 5.3CVE-2021-36093 · Published 06/09/2021 · updated 17/06/2026

In short

CVE-2021-36093 is a MEDIUM (CVSS 5.3) vulnerability affecting otrs (otrs).
Chance of exploitation in the next 30 days (EPSS): 1.1%, higher than 65.9% of all vulnerabilities.
Fix: update to 7.0.29, 8.0.16 or later.

Package	Affected versions	Patched versions
otrs otrs	`≥ 6.0.1≥ 7.0.0, < 7.0.29≥ 8.0.0, < 8.0.16`	`7.0.298.0.16`

Description

It's possible to create an email which can be stuck while being processed by PostMaster filters, causing DoS. 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 7.0.28 and prior versions; 8.0.x version 8.0.15 and prior versions.

References

otrs.com/release-notes/otrs-security-advisory-2021-16 · Vendor Advisory

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Package

Affected versions

Patched versions

otrs

≥ 6.0.1≥ 7.0.0, < 7.0.29≥ 8.0.0, < 8.0.16

7.0.298.0.16

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