CVE-2021-20837

EUVD-2021-8249
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.
OS Command Injection
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 99%
Affected Products (NVD)
VendorProductVersion
sixapartmovable_type
𝑥
≤ 1.46
sixapartmovable_type
𝑥
≤ 1.46
sixapartmovable_type
4.0 ≤
𝑥
≤ 6.3.11
sixapartmovable_type
6.5.0 ≤
𝑥
≤ 6.8.2
sixapartmovable_type
6.5.0 ≤
𝑥
≤ 6.8.2
sixapartmovable_type
7.0 ≤
𝑥
≤ 7.8.1
sixapartmovable_type
7.0 ≤
𝑥
≤ 7.8.1
𝑥
= Vulnerable software versions