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CVE-2025-1695— NGINX Unit Java Vulnerability

Quick assessment

Affected
F5 NGINX Unit
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

F5 NGINX Unit是美国F5公司的一款多语言动态应用服务器。该产品持RESTful JSON API、支持运行使用多种语言和框架构建的应用程序。 F5 NGINX Unit 1.34.2之前版本存在安全漏洞，该漏洞源于无限循环，可能导致CPU资源耗尽和拒绝服务。

CVSS 5.3 · Medium EPSS 0.59% · P47

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2025-1695

Vulnerability Information
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Vulnerability Title
NGINX Unit Java Vulnerability
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
不可达退出条件的循环(无限循环)
Source: CVE Program / CVE List V5
Vulnerability Title
F5 NGINX Unit 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
F5 NGINX Unit是美国F5公司的一款多语言动态应用服务器。该产品持RESTful JSON API、支持运行使用多种语言和框架构建的应用程序。 F5 NGINX Unit 1.34.2之前版本存在安全漏洞，该漏洞源于无限循环，可能导致CPU资源耗尽和拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
F5 NGINX Unit 1.11.0 ~ 1.34.2 -

II. Public POCs for CVE-2025-1695

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III. Intelligence Information for CVE-2025-1695

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Vendor Advisories for CVE-2025-1695 (1)

IV. Related Vulnerabilities

Same vendor: F5
Same weakness: CWE-835

V. Comments for CVE-2025-1695

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