CVE-2021-20433
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 Security Guardium 11.3 could allow a an authenticated user to obtain sensitive information that could be used in further attacks against the system. IBM X-Force ID: 196345.
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 Security Guardium 11.3 contains an information disclosure vulnerability that allows authenticated users to access sensitive information beyond their authorized permissions. The exposed information could be leveraged for privilege escalation or lateral movement attacks against the Guardium 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= 11.3CVSS 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
- None
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/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.
-
Verify Guardium installation versionRun the command 'guardium_version' or check the GUI at Administration > System > License and Version to confirm the installed version is exactly 11.3Affected if The installed version is IBM Security Guardium 11.3 (exact match)
-
Confirm user authentication is enabledCheck if local or remote user authentication is configured in Guardium by reviewing the Authentication settings at Administration > Users and Roles > UsersAffected if User authentication is enabled and users have access to the Guardium system
-
Review user role assignmentsNavigate to Administration > Users and Roles > Roles and examine which users are assigned to roles with data access permissionsAffected if Users exist with any data access role assignments (the vulnerability allows privilege escalation beyond assigned roles)
-
Inspect audit logs for unauthorized data accessCheck the Guardium audit logs (Reports > Audit > All Activities) for queries or data retrieval operations performed by users accessing information outside their assigned role permissionsAffected if Audit logs show data access events where users accessed records or files beyond their documented role permissions
Environment is affected if running IBM Security Guardium version 11.3 with authenticated users who may have accessed data beyond their authorized role permissions, as evidenced in audit logs or confirmed by version check.
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.
dbcve · scopedApply IBM's available patches for Guardium 11.3. Restrict user permissions to minimum necessary access and audit access logs for anomalous data retrieval patterns.
Guardium 11.4 or later (12.x recommended)
- Identify the current Guardium version by accessing the admin console or running: guardium_version or cat /opt/ibm/guardium/version
- Download the latest Guardium 11.x or 12.x release from IBM Fix Central (https://www.ibm.com/support/fixcentral/)
- Schedule a maintenance window to minimize business impact
- Backup the current Guardium configuration using the backup/restore functionality
- Apply the upgrade following IBM's standard upgrade procedures for Guardium
- Verify the upgrade was successful by checking the version and ensuring all services are running
- Test that normal Guardium functions (data inspection, alerting, reporting) are operational
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation4.0 h
- Implementation8.0 h
- Testing6.0 h
- Review / QA4.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $6,176.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2021-20433 — 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-2021-20433 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
Be the first to add a field note for this CVE — a mitigation you’ve verified, a version caveat, or a link to a working fix. Sign in above to contribute.
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