Path traversal in Opencast - CVE-2020-5230
Published: January 29, 2020 / Updated: April 23, 2026
Vulnerability identifier: #VU127017
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-5230
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to write files to unintended locations.
The vulnerability exists due to improper input validation in identifier handling for media packages and elements when using identifiers in file system operations. A remote attacker can supply a crafted identifier to write files to unintended locations.
Affected software
Opencast
How to mitigate CVE-2020-5230
Install security update from vendor's website.
Opencast - addressed in versions 7.6, 8.1