#VU63862 Path traversal in cfrpki - CVE-2021-3907

 

#VU63862 Path traversal in cfrpki - CVE-2021-3907

Published: May 31, 2022 / Updated: June 1, 2022


Vulnerability identifier: #VU63862
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2021-3907
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
cfrpki
Software vendor:
Cloudflare, WP Engine

Description

The vulnerability allows a remote attacker to execute arbitrary code on the system.

The vulnerability exists due to OctoRPKI does not escape a URI with a filename containing "..". A remote attacker can send a specially crafted HTTP request and execute arbitrary code on the system.


Remediation

Install update from vendor's website.

External links