Advisories

ZITADEL 3.0.0 before 4.19.2 Privilege Escalation via OIDC Token Exchange Impersonation

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severity
medium
date
Affecting
  • zitadel >= 3.0.0, < 4.19.2

CWE
  • CWE-863 Incorrect Authorization
CVSS
5.1
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
Credit
IAM-marco, livio-a
Description
ZITADEL 3.0.0 before 4.19.2 contains a privilege escalation vulnerability in OIDC token exchange that allows end-user impersonators to impersonate administrators including IAM_OWNER by bypassing the admin.impersonation check. Attackers holding IAM_END_USER_IMPERSONATOR or ORG_END_USER_IMPERSONATOR roles can sign in to relying applications as administrators with their roles and claims.

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