CVE-2006-3205
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 · uneditedUltimate PHP Board (UPB) 1.9.6 and earlier allows remote attackers to gain access via modified user_env, pass_env, power_env, and id_env parameters in a cookie, which comprise a persistent logon that does not vary across sessions.
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 confidenceUltimate PHP Board 1.9.6 and earlier uses cookie-based authentication storing user_env, pass_env, power_env, and id_env parameters. These values are not validated against server-side sessions and can be modified by attackers to impersonate users and gain administrative access.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data= 1.8= 1.8.2= 1.9= 1.9.6CVSS 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
- Network
- Complexity
- Low
- Authentication
- None
- Confidentiality
- Partial
- Integrity
- None
- Availability
- None
AV:N/AC:L/Au:N/C:P/I:N/A:N
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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Identify the installed Ultimate PHP Board versionCheck the version.php file or any version indicator within the UPB installation directory, typically found in the main config or header filesAffected if The version is 1.8, 1.8.2, 1.9, 1.9.6, or earlier (any version prior to the fix)
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Inspect cookies used by the applicationLog into the application and examine the cookies stored for the session. Look for cookie names containing user_env, pass_env, power_env, and id_envAffected if These four cookie parameters (user_env, pass_env, power_env, id_env) are present in the browser cookies after authentication
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Examine the authentication logic in the source codeLocate the login processing script and the authentication function that validates user credentials. Check how the cookie values are handled upon each page requestAffected if The code reads cookie values directly without validating them against server-side session data or re-verifying credentials on each request
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Check if server-side session validation existsSearch the codebase for session_start() calls and verify whether session variables are used for authentication state, or whether authentication relies solely on unsigned cookie valuesAffected if Authentication relies only on cookie values (user_env, pass_env, power_env, id_env) without server-side session validation or re-authentication on each request
A user is affected if they are running Ultimate PHP Board version 1.9.6 or earlier and the application uses cookie-based authentication with user_env, pass_env, power_env, and id_env parameters that are not validated against server-side sessions.
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 dataReplace cookie-based authentication with proper PHP session management; validate all session data server-side; implement session fixation protection and secure session handling.
- Consultation3.0 h
- Implementation12.0 h
- Testing6.0 h
- Review / QA3.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $6,720.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2006-3205 — 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-2006-3205 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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A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.
- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
- No spam, self-promotion, credentials, or personal data