CVE-2024-27480

Deeper analysis

CVE-2024-27480 affects givanz VvvebJs version 1.7.2, where an insecure file upload vulnerability exists. This flaw, classified under CWE-434 (Unrestricted Upload of File with Dangerous Type), allows attackers to upload files without sufficient validation. The vulnerability received a CVSS v3.1 base score of 9.8, indicating critical severity due to its network accessibility, low attack complexity, lack of required privileges or user interaction, and high impacts on confidentiality, integrity, and availability.

Any remote attacker without authentication can exploit this vulnerability over the network with minimal effort. Successful exploitation enables the upload of malicious files, potentially leading to severe consequences such as remote code execution, data theft, modification of system files, or denial of service, as reflected in the high impact metrics across all three security principles.

Advisories reference GitHub Gists at https://gist.github.com/joaoviictorti/abb2d1929c29d09c13c60bb45f28a8ff, which likely contain proof-of-concept details for the insecure file upload in givanz VvvebJs 1.7.2. Security practitioners should review these for reproduction steps and apply updates if available from the vendor or implement input validation and file type restrictions as mitigations.