Home/CVE/It's possible to create an email which can be stuck while being processed by PostMaster filters, causing DoS. This issue
CVE

CVE-2021-36093

It's possible to create an email which can be stuck while being processed by PostMaster filters, causing DoS. This issue

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.

MEDIUM · CVSS 5.3 EPSS 0.0047
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-185Incorrect Regular Expression
▤

Affected Products & Versions

3
otrs>= 6.0.1
otrs>= 7.0.0 and < 7.0.29
otrs>= 8.0.0 and < 8.0.16
▣

Scoring & Timeline

5.3
MEDIUM · CVSS v3.1 · security@otrs.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD06 Sep 2021 · 02:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://otrs.com/release-notes/otrs-security-advisory-2021-16/Vendor Advisory
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