CVE-2021-46384: Mingsoft Mcms

Critical severity, CVSS 9.8. EPSS: 2.2% chance of exploitation in the next 30 days.

https://gitee.com/mingSoft/MCMS MCMS <=5.2.5 is affected by: RCE. The impact is: execute arbitrary code (remote). The attack vector is: ${"freemarker.template.utility.Execute"?new()("calc")}. ¶¶ MCMS has a pre-auth RCE vulnerability through which allows unauthenticated attacker with network access via http to compromise MCMS. Successful attacks of this vulnerability can result in takeover of MCMS.

Affected products

• Mingsoft Mcms: up to and including 5.2.5

Published 2022-03-04. Last modified 2026-06-17.