CVE-2017-16664

high

Published 2017-11-21 · Modified 2026-05-13

CVSS v3

8.8

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

CVSS v2

6.5

VIR risk

8.8

Description

Code injection exists in Kernel/System/Spelling.pm in Open Ticket Request System (OTRS) 5 before 5.0.24, 4 before 4.0.26, and 3.3 before 3.3.20. In the agent interface, an authenticated remote attacker can execute shell commands as the webserver user via URL manipulation.

Predictions

Exploit likelihood

92%

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-2017-16664

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — https://www.otrs.com/security-advisory-2017-07-security-update-otrs-framework/

OS impact

OS	Version	Status	Fixed in
debian	7.0	affected
debian	8.0	affected
debian	9.0	affected
debian	bullseye	fixed	`5.0.24-1`

Application impact

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

References

CWEs

CWE-94

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