CVE-2021-21441

XSS in the ticket overview screens

Description

There 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.

Remediation

Solution:

  • Update to OTRS 7.0.27.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.43%
Vendor Advisory otrs.com
Affected: OTRS AG ((OTRS)) Community Edition
Affected: OTRS AG OTRS
Published at:
Updated at:

References

Link Tags
https://otrs.com/release-notes/otrs-security-advisory-2021-11/ release notes vendor advisory
https://lists.debian.org/debian-lts-announce/2023/08/msg00040.html mailing list

Frequently Asked Questions

What is the severity of CVE-2021-21441?
CVE-2021-21441 has been scored as a high severity vulnerability.
How to fix CVE-2021-21441?
To fix CVE-2021-21441: Update to OTRS 7.0.27.
Is CVE-2021-21441 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-21441 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-21441?
CVE-2021-21441 affects OTRS AG ((OTRS)) Community Edition, OTRS AG OTRS.
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