CVE-2025-30039
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedUnauthenticated access to the "/cgi-bin/CliniNET.prd/GetActiveSessions.pl" endpoint allows takeover of any user session logged into the system, including users with admin privileges.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · high confidenceThis is a critical session hijacking vulnerability in the CliniNET application where the GetActiveSessions.pl CGI script at /cgi-bin/CliniNET.prd/ can be accessed without authentication, allowing an unauthenticated attacker to enumerate and take over any active user session including administrator accounts.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Adjacent
- Complexity
- Low
- Privileges
- None
- Authentication
- X
- User interaction
- None
- Scope
- X
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
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Confirm CliniNET installation existsSearch the web server filesystem for the CliniNET.prd directory, typically under the web root or cgi-bin folder. Check paths like /cgi-bin/CliniNET.prd/ or similar CGI directories.Affected if The CliniNET.prd directory and its CGI scripts are present on the server
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Verify the vulnerable endpoint is accessibleSend an HTTP GET request to /cgi-bin/CliniNET.prd/GetActiveSessions.pl using a tool like curl or a browser, WITHOUT providing any authentication credentials.Affected if The endpoint returns an HTTP 200 response instead of 401 Unauthorized or 403 Forbidden
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Confirm session data is exposed without authenticationExamine the response body from the unauthenticated request to the GetActiveSessions.pl endpoint. Look for session identifiers, user IDs, or active session listings.Affected if The response contains active session information, session tokens, or user login data without having authenticated first
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Check if admin sessions are included in the exposed dataAnalyze the session data returned by the endpoint to identify whether elevated or administrator-level sessions are listed among the active sessions.Affected if The endpoint returns administrator or privileged user session data to an unauthenticated request
If the GetActiveSessions.pl CGI endpoint responds with active session data to an unauthenticated request, the environment is vulnerable to full account takeover via session hijacking.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataImmediately restrict access to the /cgi-bin/CliniNET.prd/ endpoint to authenticated users only, or disable the GetActiveSessions.pl script if not required; additionally invalidate all active sessions system-wide and force password resets for admin accounts.
- Consultation3.0 h
- Implementation6.0 h
- Testing4.0 h
- Review / QA2.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2025-30039 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2025-30039 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Version or environment caveats, and links to real fixes
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