Input validation error in OpenLiteSpeed - CVE-2020-5519
Published: January 6, 2020 / Updated: July 17, 2020
Vulnerability identifier: #VU30453
CSH Severity: High
CVSS v4: 9.3 [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]
CVE-ID: CVE-2020-5519
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
The WebAdmin Console in OpenLiteSpeed before v1.6.5 does not strictly check request URLs, as demonstrated by the "Server Configuration > External App" screen.
Affected software
OpenLiteSpeed
How to mitigate CVE-2020-5519
Install update from vendor's website.
OpenLiteSpeed - update to 1.6.5