High severity8.8NVD Advisory· Published Dec 20, 2017· Updated Jun 17, 2026

CVE-2017-17476

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.

Affected products

OTRS/Otrsreferences3 versions
(expand)+ 2 more
- (no CPE)
- cpe:2.3:a:otrs:otrs:*:*:*:*:*:*:*:*range: >=4.0.0,<4.0.28
- (no CPE)range: <4.0.28, <5.0.26, <6.0.3
Debian/linux3 versions
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
OTRS/OTRS Frameworkllm-create
Range: <4.0.28, <5.0.26, <6.0.3

Patches

Vulnerability mechanics

References

github.com/OTRS/otrs/commit/26707eaaa791648e6c7ad6aeaa27efd70e7c66ebnvdPatchThird Party Advisory
github.com/OTRS/otrs/commit/36e3be99cfe8a9e09afa1b75fdc39f3e28f561fcnvdPatchThird Party Advisory
github.com/OTRS/otrs/commit/720c73fbf53e476ca7dfdf2ae1d4d3d2aad2b953nvdPatchThird Party Advisory
www.otrs.com/security-advisory-2017-10-security-update-otrs-framework/nvdPatchVendor Advisory
lists.debian.org/debian-lts-announce/2017/12/msg00018.htmlnvdMailing ListThird Party Advisory
www.debian.org/security/2017/dsa-4069nvdThird Party Advisory

News mentions

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cvss	0.572
epss	0.002
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000