Input validation error in urijs - CVE-2021-27516
Published: August 29, 2022
Vulnerability identifier: #VU66816
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-27516
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to insufficient validation of strings that contain backslash, such as "http:/", which is interpreted as as a relative path. A remote attacker can pass a malformed URI to the application and read contents local files.
Affected software
urijs
How to mitigate CVE-2021-27516
Install updates from vendor's website.
urijs - update to 1.19.6