What is CVE-2018-19143?

CVE-2018-19143 is a medium-severity vulnerability in Otrs Open Ticket Request System, classified under Direct Request (Forced Browsing). CVSS score: 6.5/10. Published 2018-11-11.

How severe is CVE-2018-19143?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Otrs Open Ticket Request System

CVE-2018-19143

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.

Published 2018-11-11 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.009 (56.9th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 56.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Otrs Open Ticket Request System
Debian Linux — versions 8.0

Weakness classification (CWE)

CWE-425 — Direct Request (Forced Browsing)

References

community.otrs.com/security-advisory-2018-07-security-update-for-otrs-framework/ (Patch, Vendor Advisory)
lists.debian.org/debian-lts-announce/2018/11/msg00028.html (mailing-list, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2018-19143?: CVE-2018-19143 is a medium-severity vulnerability in Otrs Open Ticket Request System, classified under Direct Request (Forced Browsing). CVSS score: 6.5/10. Published 2018-11-11.
How severe is CVE-2018-19143?: Medium severity. CVSS v3 base score is 6.5 out of 10.