Arbitrary file upload in SPIP - CVE-2021-44123
Published: June 17, 2022
Vulnerability identifier: #VU64459
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-44123
CWE-ID: CWE-434
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: spip.net
Affected software:
SPIP
SPIP
Detailed vulnerability description
The vulnerability allows a remote user to execute arbitrary code on the system.
The vulnerability exists due to insufficient validation of file during file upload. A remote user can upload a specially crafted malicious file and execute it on the server.
How to mitigate CVE-2021-44123
Install updates from vendor's website.