Auth bypass in Juniper Security Director

CVE-2025-52950

A Missing Authorization vulnerability in Juniper Networks Security Director allows an unauthenticated network-based attacker to read or tamper with multiple sensitive resources via the web interface. Numerous endpoints on the Juniper Security Director appliance do not validate authorization and will deliver information to the caller that is outside their authorization level. An attacker can access data that is outside the user's authorization level. The information obtained can be used to gain access to additional information or perpetrate other attacks, impacting downstream managed devices. This issue affects Security Director version 24.4.1.

Vulnerability class: Broken Access Control

EPSS: 0.004 (30.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-52950?
CVE-2025-52950 is a critical-severity vulnerability in Juniper Security Director, classified under Missing Authorization. CVSS score: 9.6/10. Published 2025-07-11.
How severe is CVE-2025-52950?
Critical severity. CVSS v3 base score is 9.6 out of 10.