What is CVE-2025-1695?

CVE-2025-1695 is a medium-severity vulnerability in F5 Nginx Unit, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 5.3/10. Published 2025-03-04.

How severe is CVE-2025-1695?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in F5 Nginx Unit

CVE-2025-1695

In NGINX Unit before version 1.34.2 with the Java Language Module in use, undisclosed requests can lead to an infinite loop and cause an increase in CPU resource utilization. This vulnerability allows a remote attacker to cause a degradation that can lead to a limited denial-of-service (DoS). There is no control plane exposure; this is a data plane issue only. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

EPSS: 0.006 (42.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

F5 Nginx Unit — versions 1.11.0
F5 Nginx_unit

Weakness classification (CWE)

CWE-835 — Loop with Unreachable Exit Condition (Infinite Loop)

References

f5sirt@f5.com (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2025-1695?: CVE-2025-1695 is a medium-severity vulnerability in F5 Nginx Unit, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 5.3/10. Published 2025-03-04.
How severe is CVE-2025-1695?: Medium severity. CVSS v3 base score is 5.3 out of 10.