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CVE-2021-46384

32
FAUCET Score

CVE-2021-46384 is a critical pre-authentication Remote Code Execution (RCE) vulnerability affecting MingSoft MCMS versions up to 5.2.5. An unauthenticated attacker can exploit this flaw over HTTP to execute arbitrary code, potentially leading to full system compromise. With a CVSS score of 9.8, this vulnerability is easily exploitable with low attack complexity and no user interaction required. Despite its severity, there is currently no public exploit code available (Metasploit, Nuclei, ExploitDB), and it is not listed on the CISA KEV catalog, indicating no known active exploitation. Community discussion and media coverage are also minimal.

Impacted Technologies

VendorProductVersion(s)CPE
<= 5.2.5CPE matchmatch criteria
cpe:2.3:a:mingsoft:mcms:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.22%
Probability of exploitation in next 30 days
EPSS Percentile
80.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0222 is in the 70th percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

mavenpatch availablevia ghsa
Product: net.mingsoft:ms-mcmsFixed in: 5.2.6

Vendor Advisories (1)

mavenGHSA-qwh6-xwj4-9cjgcritical

Remote code execution in net.mingsoft:ms-mcms

Mar 5, 2022

References

gitee.com / mingSoft/MCMS/issues/I4QZ1O
ExploitIssue TrackingThird Party Advisory