Arbitrary file upload in Six Apart Ltd products - CVE-2020-5577
Published: May 14, 2020
Vulnerability identifier: #VU27919
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-5577
CWE-ID: CWE-434
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Six Apart Ltd
Affected software:
Movable Type
Movable Type Advanced
Movable Type for AWS
Movable Type Premium
Movable Type Premium Advanced
Movable Type
Movable Type Advanced
Movable Type for AWS
Movable Type Premium
Movable Type Premium Advanced
Detailed vulnerability description
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to insufficient validation of file during file upload. A remote authenticated attacker can upload a malicious file and execute it on the server.
How to mitigate CVE-2020-5577
Install updates from vendor's website.