#VU51872 Cross-site scripting in OTRS


Published: 2021-02-08 | Updated: 2021-04-01

Vulnerability identifier: #VU51872

Vulnerability risk: Low

CVSSv3.1: 4.2 [CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-21434

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
OTRS
Web applications / Other software

Vendor: otrs.org

Description

The vulnerability allows a remote privileged user to read and manipulate data.

Survey administrator can craft a survey in such way that malicious code can be executed in the agent interface (i.e. another agent who wants to make changes in the survey). This issue affects: OTRS AG Survey 6.0.x version 6.0.20 and prior versions; 7.0.x version 7.0.19 and prior versions.

Mitigation
Install update from vendor's website.

Vulnerable software versions

OTRS: 6.0.0 - 6.0.13


External links
http://otrs.com/release-notes/otrs-security-advisory-2021-01/


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability