#VU59823 Improper Authorization in Istio - CVE-2022-21679
Published: January 19, 2022
Vulnerability identifier: #VU59823
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2022-21679
CWE-ID: CWE-285
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Istio
Istio
Software vendor:
Istio
Istio
Description
The vulnerability allows a remote attacker to bypass authorization check.
The vulnerability exists due to incorrect configuration for proxies in the "hosts" and "notHosts" fields. A remote attacker can cause requests to accidentally bypass or get rejected by the authorization policy.
Remediation
Install updates from vendor's website.