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Qradar Security Information And Event ManagerApplication · Ibm

CVE-2021-29779

MEDIUM · 5.9 CVSS v3.1 Published 2021-12-01
Fix available
A fix is available. Upgrade to after 7.4.3 or later.
See remediation →
68/100
Remediation priority · Elevated
Remotely reachable No privileges Zero-click Patch available

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 · unedited
IBM QRadar SIEM 7.3 and 7.4 could allow an attacker to obtain sensitive information due to the server performing key exchange without entity authentication on inter-host communications using man in the middle techniques. IBM X-Force ID: 203033.

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

A detailed technical summary for this CVE is being prepared.

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
Qradar Security Information And Event ManagerApplication
Affected:>= 7.3.0, <= 7.3.3>= 7.4.0, <= 7.4.3= 7.3.3= 7.4.2= 7.4.3

CVSS 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
High
Privileges
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

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 · scoped
Upgrade available Upgrade to a release after 7.4.3
Vendor patch www.ibm.com →
Recommended fix Moderate confidence

QRadar 7.5.0 or later stable release

  1. 1. Back up the QRadar configuration and all critical data before starting the upgrade process.
  2. 2. Download the QRadar 7.5.0 (or latest stable) patch/ISO from the official IBM QRadar support portal at https://www.ibm.com/support/pages/node/6520484
  3. 3. Verify the integrity of the downloaded package using checksums provided by IBM.
  4. 4. Schedule a maintenance window as the upgrade may require system downtime.
  5. 5. Follow IBM's standard QRadar upgrade procedure: deploy the patch or run the installer as documented in the IBM QRadar upgrade guide.
  6. 6. After upgrade, verify that inter-host communications are now properly authenticating entities during key exchange.
  7. 7. Validate the fix by confirming the CVE is resolved in the new version's release notes.
Caveat Standard QRadar upgrade considerations apply - review release notes for any deprecated features or configuration changes; test in non-production environment first

Generated from the published advisory — verify against the referenced sources before acting.

We can identify the exact fixed release, upgrade, and verify it in staging — typical engagement from $1,600. Get the upgrade done

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2021-29779 in production — separate from our analysis above.

No notes yet

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What this is

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.

What belongs here
  • 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