CVE-2025-1695 NGINX Unit Java Vulnerability
Remote attackers can trigger an infinite loop in the Java module, causing high CPU usage and limited denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-1695?
CVE-2025-1695 is a medium-severity denial of service vulnerability in F5 NGINX Unit, published on 4 Mar 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-835
Which versions are affected by CVE-2025-1695?
1 open source package ship an affected version, including nginx. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
nginx Bitnami | From 1.29.1 | None |
Products include F5 Nginx Unit.
How do I fix CVE-2025-1695?
No fix has been published for CVE-2025-1695 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2025-1695 being exploited?
There is no known exploitation of CVE-2025-1695 in the wild and no public exploit code.
Other vulnerabilities in F5 NGINX Unit
Sources
Also known as BIT-nginx-2025-1695, GHSA-7w3m-9pfq-8m82.