CVE-2003-0493
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 · uneditedSnitz Forums 3.4.03 and earlier allows attackers to gain privileges as other users by stealing and replaying the encrypted password after obtaining a valid session ID.
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 · moderate confidenceSnitz Forums 3.4.03 and earlier contains an authentication bypass vulnerability where attackers can obtain a valid session ID and then steal the encrypted password from that session. The stolen encrypted password can be replayed to impersonate other users, including administrators, effectively granting unauthorized privilege escalation.
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= 3.4.03CVSS 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
- Complete
- Integrity
- Complete
- Availability
- Complete
AV:N/AC:L/Au:N/C:C/I:C/A:C
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 Snitz Forums installation and versionLocate the Snitz Forums web application directory and check for version information in the main files (commonly in default.asp, version.asp, or similar configuration files in the forum root directory)Affected if The installed version is Snitz Forums 2000 version 3.4.03 or any version earlier than 3.4.03
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Verify session management is in useCheck if the forum uses session-based authentication by examining the code for session variable usage (look for Session() or session-related code in authentication files)Affected if The forum relies on session-based authentication where session IDs can be obtained and session data contains user credentials
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Check for session security controlsInspect the forum configuration or authentication code for presence of IP binding, one-time tokens, or salted password hashing implementations in session handling logicAffected if No additional session security controls (IP binding, one-time tokens, or salted hashing) are implemented and the forum uses reversible encryption for passwords stored in sessions
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Examine password storage mechanismReview the database schema or member configuration files to determine if passwords are stored using reversible encryption rather than salted hashingAffected if Passwords are stored using reversible encryption that can be extracted and replayed in session context
You are affected if Snitz Forums 2000 version 3.4.03 or earlier is installed and the forum uses session-based authentication with reversible password encryption without additional security controls like IP binding or one-time tokens.
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 dataUpgrade to a patched version of Snitz Forums beyond 3.4.03, or implement additional session security controls such as IP binding, one-time tokens, or replacing the reversible encryption with salted password hashing.
- Consultation4.0 h
- Implementation8.0 h
- Testing4.0 h
- Review / QA2.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $5,120.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2003-0493 — 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-2003-0493 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