CVE-2024-42991
Published: 03 September 2024
Summary
CVE-2024-42991 is a high-severity Unrestricted Upload of File with Dangerous Type (CWE-434) vulnerability in Mingsoft Mcms. Its CVSS base score is 8.1 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked in the top 15.4% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2024-39866
Vulnerability details
MCMS v5.4.1 has front-end file upload vulnerability which can lead to remote command execution.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
The front-end arbitrary file upload vulnerability allows exploitation of a public-facing web application (T1190), enabling upload of malicious XML and JSP files to Tomcat directories for JNDI-triggered deserialization and web shell deployment (T1100) leading to RCE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Requiring identifiable owners for portable devices reduces the attack surface for unrestricted uploads of dangerous file types via anonymous media.
Dangerous file uploads can be detonated in the chamber to determine malice before any production write or execution occurs.
Prevents unrestricted writing of arbitrary or malicious firmware by keeping hardware write-protect enabled except under tightly controlled manual procedures.
Scans files from external sources on download/open/execute, blocking unrestricted uploads of dangerous file types.