CVE-2022-38078

high-risk

Published 2022-08-24

Movable Type XMLRPC API provided by Six Apart Ltd. contains a command injection vulnerability. Sending a specially crafted message by POST method to Movable Type XMLRPC API may allow arbitrary Perl script execution, and an arbitrary OS command may be executed through it. Affected products and versions are as follows: Movable Type 7 r.5202 and earlier, Movable Type Advanced 7 r.5202 and earlier, Movable Type 6.8.6 and earlier, Movable Type Advanced 6.8.6 and earlier, Movable Type Premium 1.52 and earlier, and Movable Type Premium Advanced 1.52 and earlier. Note that all versions of Movable Type 4.0 or later including unsupported (End-of-Life, EOL) versions are also affected by this vulnerability.

Do I need to act?

5.2% chance of exploitation in next 30 days

EPSS score — moderate exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 9.8/10 Critical

NETWORK / LOW complexity

Affected Products (6)

Movable Type

Affected Vendors

Sixapart

References (4)

Third Party Advisory https://jvn.jp/en/jp/JVN57728859/index.html

Vendor Advisory https://movabletype.org/news/2022/08/mt-795-687-released.html

Third Party Advisory https://jvn.jp/en/jp/JVN57728859/index.html

Vendor Advisory https://movabletype.org/news/2022/08/mt-795-687-released.html

/ 100

high-risk

Severity 32/34 · Critical

Exploitability 8/34 · Low

Exposure 13/34 · Low