CVE-2018-19143

Severity: medium (CVSS 6.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-11-11 · updated 2026-06-17
Weakness: CWE-425

Description

Open Ticket Request System (OTRS) 4.0.x before 4.0.33, 5.0.x before 5.0.31, and 6.0.x before 6.0.13 allows an authenticated user to delete files via a modified submission form because upload caching is mishandled.

Affected products

Debian Linux: 8.0
Otrs Open Ticket Request System: from 4.0.0 before 4.0.33; from 5.0.0 before 5.0.31; from 6.0.0 before 6.0.13 — fixed in 4.0.33, 5.0.31, 6.0.13

How to fix

Upgrade to a fixed version: Otrs Open Ticket Request System 4.0.33, 5.0.31, 6.0.13. Check the vendor advisory for mitigations.

References

https://community.otrs.com/security-advisory-2018-07-security-update-for-otrs-framework/
https://lists.debian.org/debian-lts-announce/2018/11/msg00028.html
https://community.otrs.com/security-advisory-2018-07-security-update-for-otrs-framework/
https://lists.debian.org/debian-lts-announce/2018/11/msg00028.html

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