Deserialization of Untrusted Data in Subrion CMS - CVE-2020-12469

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Main Vulnerability Database Vulnerabilities #VU27474

Deserialization of Untrusted Data in Subrion CMS - CVE-2020-12469

Published: April 30, 2020


Vulnerability identifier: #VU27474
CSH Severity: Medium
CVSS v4.0: 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/E:P/U:Green
CVE-ID: CVE-2020-12469
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Intelliants
Affected software:
Subrion CMS

Detailed vulnerability description

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.


How to mitigate CVE-2020-12469

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Sources