How to fix or mitigate CVE-2025-30040?

Within 7 days: Identify all affected systems and apply vendor patches promptly. Audit authentication configurations and rotate any potentially compromised credentials.

CVE-2025-30040

Q: What is the CVSS score of CVE-2025-30040?

CVE-2025-30040 has a CVSS 4.0 base score of 9.0 (Critical). CVSS vector: CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/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: 0.1%.

CRITICAL

Missing Authentication for Critical Function (CWE-306)

2025-08-27 cvd@cert.pl

Authentication Bypass

9.0

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

9.0 CRITICAL

CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/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:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/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

Adjacent

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:09 vuln.today

CVE Published

Aug 27, 2025 - 11:15 nvd

CRITICAL 9.0

DescriptionCVE.org

The vulnerability allows unauthenticated users to download a file containing session ID data by directly accessing the "/cgi-bin/CliniNET.prd/utils/userlogxls.pl" endpoint.

AnalysisAI

The vulnerability allows unauthenticated users to download a file containing session ID data by directly accessing the "/cgi-bin/CliniNET.prd/utils/userlogxls.pl" endpoint. Rated critical severity (CVSS 9.0), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Missing Authentication for Critical Function (CWE-306), which allows attackers to access critical functionality without authentication. The vulnerability allows unauthenticated users to download a file containing session ID data by directly accessing the "/cgi-bin/CliniNET.prd/utils/userlogxls.pl" endpoint.

Affected ProductsAI

See vendor advisory for affected versions.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Require authentication for all sensitive operations, implement defense in depth.