CVE-2021-20837

critical · 9.8

A public exploit / detection template exists

Weaponised detection is publicly available, which meaningfully raises real-world risk regardless of CVSS. nuclei-templates →

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.

9.8

CVSS

88.1%

EPSS (exploit prob.)

100th

EPSS percentile

2021-10-26

Published

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

Weaknesses

CWE-78

Affected products

Vendor	Product	Affected versions
sixapart	movable_type	<= 1.46
sixapart	movable_type	<= 1.46
sixapart	movable_type	>= 4.0, <= 6.3.11
sixapart	movable_type	>= 6.5.0, <= 6.8.2
sixapart	movable_type	>= 6.5.0, <= 6.8.2
sixapart	movable_type	>= 7.0, <= 7.8.1
sixapart	movable_type	>= 7.0, <= 7.8.1

Check a specific version with /api/v1/cve/match.

References

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2021-20837