CVE-2004-2696
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 · uneditedBEA WebLogic Server and WebLogic Express 6.1, 7.0, and 8.1, when using Remote Method Invocation (RMI) over Internet Inter-ORB Protocol (IIOP), does not properly handle when multiple logins for different users coming from the same client, which could cause an "unexpected user identity" to be used in an RMI call.
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 confidenceBEA WebLogic Server and WebLogic Express 6.1 through 8.1 contain an identity confusion vulnerability when using RMI over IIOP. The server fails to properly maintain separate user identities when multiple logins occur from the same client, causing an unexpected (potentially privilege-escalated) user identity to be used in subsequent RMI calls.
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= 6.1= 7.0= 7.0.0.1= 8.1CVSS 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
- Single
- Confidentiality
- Partial
- Integrity
- Partial
- Availability
- None
AV:N/AC:L/Au:S/C:P/I:P/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 WebLogic versionCheck the installed BEA WebLogic Server or WebLogic Express version by inspecting the registry, startup scripts, or the BEA home directory structure. Look for version files in the BEA installation directory or check the product version via the WebLogic Administration Console.Affected if The installed version is 6.1, 7.0, 7.0.0.1, or 8.1 (any of the listed affected versions).
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Confirm IIOP protocol is enabledInspect the WebLogic domain configuration files (config.xml) for the IIOP service settings. Check the Administration Console under Services > IIOP or examine the config.xml file for <iiop-enabled> or similar IIOP-related configuration elements.Affected if IIOP protocol is explicitly enabled in the WebLogic domain configuration.
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Verify RMI over IIOP is in useExamine the Java client applications or server-side code to determine if RMI calls are configured to use the IIOP protocol. Look for RMI registry references using the IIOP protocol (typically using 'iiop://' URLs or Context.PROVIDER_URL with IIOP).Affected if RMI clients are configured to communicate via IIOP instead of T3 or other WebLogic-native protocols.
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Check for shared client session handlingReview application code to determine if multiple user logins can occur from the same client JVM or connection context. Examine session management and identity propagation logic in RMI calls.Affected if The application allows or expects multiple distinct user logins from a single client process where identity could be confused.
A user is affected if they run any of the affected versions (6.1, 7.0, 7.0.0.1, or 8.1) AND have IIOP enabled with RMI over IIOP in use, particularly when the application handles multiple logins from the same client.
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 dataIf RMI over IIOP is not required, disable the IIOP protocol in WebLogic. Otherwise, apply vendor patches or upgrade to a supported WebLogic version. Implement proper session isolation and authentication handling for RMI calls.
- Consultation4.0 h
- Implementation8.0 h
- Testing4.0 h
- Review / QA2.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2004-2696 — 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-2004-2696 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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