CVE-2017-17476

high
Published 2017-12-20 · Modified 2026-05-13
CVSS v3
8.8
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v2
6.8
VIR risk
8.8

Description

Open Ticket Request System (OTRS) 4.0.x before 4.0.28, 5.0.x before 5.0.26, and 6.0.x before 6.0.3, when cookie support is disabled, might allow remote attackers to hijack web sessions and consequently gain privileges via a crafted email.

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-2017-17476

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — https://www.otrs.com/security-advisory-2017-10-security-update-otrs-framework/

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — https://github.com/OTRS/otrs/commit/720c73fbf53e476ca7dfdf2ae1d4d3d2aad2b953

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — https://github.com/OTRS/otrs/commit/36e3be99cfe8a9e09afa1b75fdc39f3e28f561fc

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — https://github.com/OTRS/otrs/commit/26707eaaa791648e6c7ad6aeaa27efd70e7c66eb

OS impact

OSVersionStatusFixed in
debian debian7.0affected
debian debian8.0affected
debian debian9.0affected
debian debianbullseyefixed6.0.3-1

Application impact

VendorProductVersionsFixed
otrsotrs{"startIncluding":"4.0.0","endExcluding":"4.0.28"}4.0.28

References

CWEs

CWE-200

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