CVE-2024-2561
Published: 17 March 2024
Summary
CVE-2024-2561 is a medium-severity Unrestricted Upload of File with Dangerous Type (CWE-434) vulnerability in 74Cms 74Cms. Its CVSS base score is 6.3 (Medium).
Operationally, ranked in the top 4.5% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
Deeper analysis
A critical vulnerability has been identified in 74CMS version 3.28.0 within the Company Logo Handler component. Specifically, the sendCompanyLogo function in the file /controller/company/Index.php accepts an imgBase64 argument that can be manipulated to perform an unrestricted file upload, corresponding to CWE-434. The issue is remotely exploitable and carries a CVSS 3.1 score of 6.3.
An authenticated attacker with low privileges can send a crafted request to the affected endpoint, resulting in arbitrary file placement on the server. Successful exploitation grants limited control over confidentiality, integrity, and availability without requiring user interaction. Public proof-of-concept code has already been released, enabling straightforward reproduction of the attack.
The EPSS score for this CVE stands at 0.1953 with no material increase observed since disclosure. Available references consist of exploit details hosted on GitHub Gist and VulDB entries, but no vendor advisory or patch information is provided in the source data.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2024-27510
Vulnerability details
A vulnerability, which was classified as critical, has been found in 74CMS 3.28.0. Affected by this issue is the function sendCompanyLogo of the file /controller/company/Index.php#sendCompanyLogo of the component Company Logo Handler. The manipulation of the argument imgBase64 leads to unrestricted…
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upload. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-257060.
- 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.