Input validation error in OTRS - CVE-2020-1767
Published: January 10, 2020 / Updated: April 1, 2021
Vulnerability identifier: #VU51865
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-1767
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote authenticated user to manipulate data.
Agent A is able to save a draft (i.e. for customer reply). Then Agent B can open the draft, change the text completely and send it in the name of Agent A. For the customer it will not be visible that the message was sent by another agent. This issue affects: ((OTRS)) Community Edition 6.0.x version 6.0.24 and prior versions. OTRS 7.0.x version 7.0.13 and prior versions.
Affected software
OTRS
otrs (Alpine package)
otrs (Alpine package)
How to mitigate CVE-2020-1767
Install update from vendor's website.
otrs (Alpine package) - update to 6.0.33-r0