Which versions of Java are affected by CVE-2025-4494?

CVE-2025-4494 presents notable security risk, a improper authentication vulnerability rated CVSS 6.9. This could allow unauthorized access to protected resources.

Is there a public PoC exploit available for CVE-2025-4494?

Yes, a public proof-of-concept exploit is available for CVE-2025-4494. Prioritise patching immediately. EPSS: 0.8%.

How to fix or mitigate CVE-2025-4494?

Within 7 days: Identify affected systems and apply vendor patches promptly. Audit authentication configurations.

Java CVE-2025-4494

Q: What is the CVSS score of CVE-2025-4494?

CVE-2025-4494 has a CVSS 4.0 base score of 6.9 (Medium). CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X. EPSS exploitation probability: 0.8%.

MEDIUM

Improper Authentication (CWE-287)

2025-05-09 cna@vuldb.com

Authentication Bypass Java Jadmin

6.9

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

6.9 MEDIUM

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:41 vuln.today

PoC Detected

Oct 10, 2025 - 18:00 vuln.today

Public exploit code

CVE Published

May 09, 2025 - 22:15 nvd

MEDIUM 6.9

DescriptionCVE.org

A vulnerability, which was classified as critical, was found in JAdmin-JAVA JAdmin 1.0. Affected is the function toLogin of the file NoNeedLoginController.java of the component Admin Backend. The manipulation leads to improper authentication. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

AnalysisAI

A vulnerability, which was classified as critical, was found in JAdmin-JAVA JAdmin 1.0. Rated medium severity (CVSS 6.9), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Improper Authentication (CWE-287), which allows attackers to bypass authentication mechanisms to gain unauthorized access. A vulnerability, which was classified as critical, was found in JAdmin-JAVA JAdmin 1.0. Affected is the function toLogin of the file NoNeedLoginController.java of the component Admin Backend. The manipulation leads to improper authentication. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. Affected products include: Jadmin-Java Jadmin.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement multi-factor authentication, enforce strong password policies, use proven authentication frameworks.

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CVE-2025-4494 vulnerability details – vuln.today

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