CVE-2023-49881
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 · uneditedIBM Transformation Extender Advanced 10.0.1 does not invalidate session after logout which could allow an authenticated user to impersonate another user on the system.
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 confidenceIBM Transformation Extender Advanced 10.0.1 fails to properly invalidate user sessions upon logout, allowing a logout session token to remain active and potentially be reused by an authenticated attacker to impersonate other users on the system.
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= 10.0.1CVSS 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
- Privileges
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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 version of IBM Transformation Extender AdvancedCheck the installed product version by examining the installation directory, using the product's version command, or querying the installed packages. Common locations include the installation root folder or registry entries for Windows installations.Affected if The installed version is exactly 10.0.1
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Confirm the web-based admin interface is enabledVerify whether the IBM Transformation Extender Advanced web interface or admin console is accessible. Check the service configuration or documentation for the web interface port and status.Affected if The web admin interface is running and accessible to users
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Locate session configuration filesExamine the configuration directory for session management settings. Look for files related to session timeout, session token handling, or web application configuration in the product's config folder.Affected if Session configuration files exist and show session tokens are not being invalidated on logout
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Test logout behavior for session token reuseIf you have test access, log in to the web interface, capture the session token, perform logout, then attempt to use the original session token in a new request to verify whether it remains valid.Affected if The original session token remains valid after logout and can be reused to access the system
You are affected if IBM Transformation Extender Advanced version 10.0.1 is installed and the web admin interface is enabled, with session tokens remaining valid after logout.
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 dataImplement proper session invalidation on logout by clearing session data server-side and invalidating the session token to prevent reuse.
- Consultation3.0 h
- Implementation6.0 h
- Testing3.0 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 $3,984.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-49881 — 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-2023-49881 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
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