CVE-2024-33752
Published: 06 May 2024
Summary
CVE-2024-33752 is a medium-severity Unrestricted Upload of File with Dangerous Type (CWE-434) vulnerability in Emlog Emlog. Its CVSS base score is 6.3 (Medium).
Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked in the top 0.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
Deeper analysis
An arbitrary file upload vulnerability exists in emlog pro 2.3.0 and 2.3.2 within the admin/views/plugin.php component. Tracked as CVE-2024-33752 and assigned CWE-434, the flaw permits a remote attacker to submit a specially crafted request that uploads a malicious file, resulting in arbitrary code execution. It carries a CVSS 3.1 base score of 6.3 reflecting network attack vector, low attack complexity, and low-privileged access requirements.
An authenticated attacker with low privileges can exploit the issue over the network without user interaction to upload and execute arbitrary code on the target server, achieving partial impacts on confidentiality, integrity, and availability.
The associated GitHub references detail a file-upload-to-getshell technique against version 2.3.2 but contain no advisory or patch information. The EPSS score of 0.8579 indicates notable exploitation interest.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2024-31461
Vulnerability details
An arbitrary file upload vulnerability exists in emlog pro 2.3.0 and pro 2.3.2 at admin/views/plugin.php that could be exploited by a remote attacker to submit a special request to upload a malicious file to execute arbitrary code.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
Arbitrary file upload vulnerability in public-facing web application (emlog pro) enables exploitation for initial access (T1190) and deployment/execution of web shells for remote code execution (T1100).
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.