🛡️ CVE-2021-46384 — ms-mcms

🔴 CVSS 9.5 — Critical ✅ No Known Exploit CWE-287 OSV
9.5
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Remote code execution in net.mingsoft:ms-mcms

net.mingsoft:ms-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.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

Weakness class

CVE-2021-46384 is classified as CWE-287: Improper Authentication. The identity of the caller is not established correctly, so an attacker can act as another user.

Affected software

CVE-2021-46384 is recorded against 1 package.

  • net.mingsoft:ms-mcms (fixed in 5.2.6)

Timeline and source

Published on 5 March 2022 and last revised on 8 November 2023. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

nvd.nist.gov (Advisory)
gitee.com (Web)

Details

Severity CRITICAL
CVSS Score 9.5
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE CWE-287
Public Exploit ✅ No
Source OSV
Published 2022-03-05
Updated 2026-08-12
Modified 2023-11-08
Fix URL N/A

Affected Packages

Software From version Fixed in
net.mingsoft:ms-mcms — 5.2.6

Similar Threats

Exploit Protection

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CVE-2021-46384 carries CVSS 9.5 Critical rating. BotEraser checks your installation against this and other known CVE records, and blocks IPs associated with exploit activity.

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