Improper Authentication in Istio - CVE-2020-8595
Published: February 17, 2020
Vulnerability identifier: #VU25385
CSH Severity: High
CVSS v4.0: 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-2020-8595
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Istio
Affected software:
Istio
Istio
Detailed vulnerability description
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to an error in the Authentication Policy exact-path matching logic. A remote attacker can bypass authentication process and gain unauthorized access to HTTP paths even if they are configured to be only accessed after presenting a valid JWT token.
How to mitigate CVE-2020-8595
Install updates from vendor's website.