Permissions, Privileges, and Access Controls in Istio - CVE-2022-21701
Published: January 19, 2022 / Updated: April 16, 2026
Vulnerability identifier: #VU59825
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2022-21701
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Istio
Istio
Software vendor:
Istio
Istio
Description
The vulnerability allows a remote authenticated attacker to escalate privileges on the system.
The vulnerability exists due to application does not properly impose security restrictions in Kubernetes Gateway API, which leads to security restrictions bypass and privilege escalation.
Remediation
Install updates from vendor's website.