CVE-2021-21441

NameCVE-2021-21441
DescriptionThere is a XSS vulnerability in the ticket overview screens. It's possible to collect various information by having an e-mail shown in the overview screen. Attack can be performed by sending specially crafted e-mail to the system and it doesn't require any user intraction. This issue affects: OTRS AG ((OTRS)) Community Edition 6.0.x version 6.0.1 and later versions. OTRS AG OTRS 7.0.x version 7.0.26 and prior versions.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-3551-1
Debian Bugs989992

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
otrs2 (PTS)jessie, jessie (lts)3.3.18-1+deb8u15vulnerable
stretch/non-free (security), stretch/non-free (lts), stretch/non-free5.0.16-1+deb9u6vulnerable
buster/non-free (security), buster/non-free6.0.16-2+deb10u1fixed
bullseye/non-free6.0.32-6fixed
znuny (PTS)bookworm/non-free6.5.1-1fixed
sid/non-free, trixie/non-free6.5.11-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
otrs2sourcejessie(unfixed)end-of-life
otrs2sourcebuster6.0.16-2+deb10u1DLA-3551-1
otrs2source(unstable)6.0.32-5989992
znunysource(unstable)(not affected)

Notes

[stretch] - otrs2 <no-dsa> (Non-free not supported)
- znuny <not-affected> (Fixed before initial upload to Debian)
https://otrs.com/release-notes/otrs-security-advisory-2021-11/
Fixed by: https://github.com/znuny/Znuny/commit/48b8d2bc85280d702bd0d21783f5d31e2fa5fa51 (rel-6_0_34)

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