CVE-2024-49653
Published: 23 October 2024
Summary
CVE-2024-49653 is a critical-severity Unrestricted Upload of File with Dangerous Type (CWE-434) vulnerability. Its CVSS base score is 9.9 (Critical).
Operationally, ranked in the top 1.7% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
The vulnerability CVE-2024-49653 is an unrestricted upload of a file with a dangerous type, tracked as CWE-434, in the Portfolleo WordPress plugin authored by james-eggers. It affects all versions from n/a through 1.2 and enables an attacker to upload a web shell directly to the web server.
An authenticated attacker with low privileges can exploit the flaw remotely over the network with low attack complexity and no user interaction required. Successful exploitation grants full control over confidentiality, integrity, and availability on the affected server, with scope change, consistent with the CVSS 3.1 score of 9.9.
The Patchstack advisory documents the arbitrary file upload issue in Portfolleo 1.2 and serves as the primary reference for the vulnerability.
The associated EPSS score is currently 0.5897, matching its recorded peak.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2024-43513
Vulnerability details
Unrestricted Upload of File with Dangerous Type vulnerability in james-eggers Portfolleo portfolleo allows Upload a Web Shell to a Web Server.This issue affects Portfolleo: from n/a through <= 1.2.
- 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.