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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.004 (31.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 31.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Juniper Security Director — versions 24.4.1
- Juniper Networks Security Director — versions 24.4.1
Weakness classification (CWE)
References
- supportportal.juniper.net/JSA100054 (vendor-advisory, Vendor Advisory)
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.