Deserialization of Untrusted Data in Subrion CMS - CVE-2020-12469
Published: April 30, 2020
Vulnerability identifier: #VU27474
CSH Severity: Medium
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-12469
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to delete arbitrary files.
The vulnerability exists in "admin/blocks.php" file due to insecure input validation when processing serialized data in the subpages value within a block to blocks/edit. A remote authenticated attacker can pass specially crafted data to the application, cause PHP Object Injection and delete arbitrary files on the target system.
Affected software
Subrion CMS
How to mitigate CVE-2020-12469
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.