CVE-2023-44974
Published: 03 October 2023
Summary
CVE-2023-44974 is a critical-severity Unrestricted Upload of File with Dangerous Type (CWE-434) vulnerability in Emlog Emlog. Its CVSS base score is 9.8 (Critical).
Operationally, ranked in the top 5.4% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
Deeper analysis
CVE-2023-44974 is an arbitrary file upload vulnerability, tracked under CWE-434, that affects the /admin/plugin.php component in Emlog Pro version 2.2.0. The flaw permits unauthenticated remote attackers to upload a crafted PHP file, resulting in arbitrary code execution on the server. It carries a CVSS 3.1 base score of 9.8, reflecting network-accessible exploitation with low attack complexity and no required privileges or user interaction.
An attacker can send a malicious plugin file directly to the affected endpoint and achieve full control over the application and underlying host, including the ability to read, modify, or delete data and execute system commands. The published EPSS score of 0.1430 indicates moderate exploitation probability that has remained stable since disclosure.
The two reference URLs both point to the same GitHub repository containing technical details on achieving a webshell through the plugin upload path, but provide no information on official patches or mitigation steps. No data on observed in-the-wild exploitation is supplied in the available inputs.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-49297
Vulnerability details
An arbitrary file upload vulnerability in the component /admin/plugin.php of Emlog Pro v2.2.0 allows attackers to execute arbitrary code via uploading a crafted PHP file.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
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.