CVE-2017-16854

medium

Published 2017-12-08 · Modified 2026-05-13

CVSS v3

6.5

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CVSS v2

4.0

VIR risk

6.5

Description

In Open Ticket Request System (OTRS) through 3.3.20, 4 through 4.0.26, 5 through 5.0.24, and 6 through 6.0.1, an attacker who is logged in as a customer can use the ticket search form to disclose internal article information of their customer tickets.

Predictions

Exploit likelihood

75%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2017-16854

OS impact

OS	Version	Status	Fixed in
debian	7.0	affected
debian	8.0	affected
debian	9.0	affected
debian	bullseye	fixed	`6.0.2-1`

Application impact

Vendor	Product	Versions	Fixed
otrs	otrs	`{"startIncluding":"3.3.0","endIncluding":"3.3.20"}`

References

https://lists.debian.org/debian-lts-announce/2017/12/msg00015.html
https://www.debian.org/security/2017/dsa-4066
https://www.otrs.com/security-advisory-2017-08-security-update-otrs-framework/
https://security-tracker.debian.org/tracker/CVE-2017-16854

CWEs

CWE-200

Verify integrity in audit chain (admin only). AS-IS.