CVE-2021-20837 Information

Description

Movable Type 7 r.5002 and earlier (Movable Type 7 Series) Movable Type 6.8.2 and earlier (Movable Type 6 Series) Movable Type Advanced 7 r.5002 and earlier (Movable Type Advanced 7 Series) Movable Type Advanced 6.8.2 and earlier (Movable Type Advanced 6 Series) Movable Type Premium 1.46 and earlier and Movable Type Premium Advanced 1.46 and earlier allow remote attackers to execute arbitrary OS commands via unspecified vectors. Note that all versions of Movable Type 4.0 or later including unsupported (End-of-Life EOL) versions are also affected by this vulnerability.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

https://jvn.jp/en/jp/JVN41119755/index.html https://movabletype.org/news/2021/10/mt-782-683-released.html http://packetstormsecurity.com/files/164818/Movable-Type-7-r.5002-XMLRPC-API-Remote-Command-Injection.html http://packetstormsecurity.com/files/164705/Movable-Type-7-r.5002-XMLRPC-API-Remote-Command-Injection.html

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8