MCMS v5.4.1 has front-end file upload vulnerability which can lead to remote command execution.
Priority HIGH 70CWE-434Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-434.
Summary
MCMS v5.4.1 has front-end file upload vulnerability which can lead to remote command execution.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00806 57th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2024-42991
- 2026-10-03 Alias added: GHSA-67qh-39h4-8p22
References
More Mingsoft Mcms vulnerabilities
- TI-2025-21032 An arbitrary file upload vulnerability in the ueditor component of MCMS v5.4.3 allows… CVSS 3.1CRITICAL 9.8
- TI-2023-27629 Mingsoft MCMS v5.2.9 was discovered to contain a SQL injection vulnerability via the… CVSS 3.1CRITICAL 9.8
- TI-2020-13941 SQL Injection vulnerability found in Ming-Soft MCMS v.4.7.2 allows a remote attacker to… CVSS 3.1CRITICAL 9.8
- TI-2022-04007 Mingsoft MCMS list sql injection CVSS 3.1CRITICAL 9.8
- TI-2022-23293 MCMS v5.2.10 and below was discovered to contain an arbitrary file write vulnerability… CVSS 3.1HIGH 8.8
- TI-2020-14389 File upload vulnerability in MCMS 5.0 allows attackers to execute arbitrary code via a… CVSS 3.1HIGH 8.8
Sources
- CVE-2024-42991 · CVE Program
- CVE-2024-42991 · NVD
- FIRST EPSS
- GHSA-67qh-39h4-8p22 · GitHub Advisory Database · CC BY 4.0
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