CVE-2025-27507: IDOR Vulnerabilities in ZITADEL's Admin API that Primarily Impact LDAP Configurations
Description
The open-source identity infrastructure software Zitadel allows administrators to disable the user self-registration. ZITADEL's Admin API contains Insecure Direct Object Reference (IDOR) vulnerabilities that allow authenticated users, without specific IAM roles, to modify sensitive settings. While several endpoints are affected, the most critical vulnerability lies in the ability to manipulate LDAP configurations. Customers who do not utilize LDAP for authentication are not at risk from the most severe aspects of this vulnerability. However, upgrading to the patched version to address all identified issues is strongly recommended. This vulnerability is fixed in 2.71.0, 2.70.1, ,2.69.4, 2.68.4, 2.67.8, 2.66.11, 2.65.6, 2.64.5, and 2.63.8.
Classification
CVE ID: CVE-2025-27507
CVSS Base Severity: CRITICAL
CVSS Base Score: 9.0
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:L
Affected Products
Vendor: zitadel
Product: zitadel
Exploit Prediction Scoring System (EPSS)
EPSS Score: 0.1% (probability of being exploited)
EPSS Percentile: 24.35% (scored less or equal to compared to others)
EPSS Date: 2025-04-02 (when was this score calculated)
References
https://nvd.nist.gov/vuln/detail/CVE-2025-27507https://github.com/zitadel/zitadel/security/advisories/GHSA-f3gh-529w-v32x
https://github.com/zitadel/zitadel/commit/d9d8339813f1c43d3eb7d8d80f11fdabb2fd2ee4