CVE-2023-32706
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 · uneditedOn Splunk Enterprise versions below 9.0.5, 8.2.11, and 8.1.14, an unauthenticated attacker can send specially-crafted messages to the XML parser within SAML authentication to cause a denial of service in the Splunk daemon.
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 confidenceAn unauthenticated attacker can send specially-crafted XML messages to the SAML authentication parser in Splunk Enterprise versions below 9.0.5, 8.2.11, and 8.1.14, causing a denial of service in the Splunk daemon by crashing or making the service unresponsive.
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>= 8.1.0, < 8.1.14>= 8.2.0, < 8.2.11>= 9.0.0, < 9.0.5< 9.0.2303.100CVSS 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
- None
- Integrity
- None
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/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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Check Splunk Enterprise versionRun the command 'splunk --version' or access the Splunk web interface and navigate to About > Version to view the installed version.Affected if The installed version falls within any of these ranges: 8.1.0 to 8.1.13, 8.2.0 to 8.2.10, or 9.0.0 to 9.0.4.
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Check if SAML authentication is enabledIn Splunk Web, go to Settings > Authentication > SAML and verify if any SAML configuration exists. Alternatively, check the authentication.conf file in $SPLUNK_HOME/etc/system/local/ for [saml] settings.Affected if SAML authentication is configured and enabled in the Splunk environment.
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Verify SAML endpoint is network-accessibleCheck network access controls and firewall rules to determine if the Splunk SAML endpoint (typically port 8089 or 443) is reachable from untrusted networks.Affected if The Splunk SAML endpoint is exposed to the internet or untrusted networks without proper filtering.
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Review Splunk Cloud Platform versionIf using Splunk Cloud, check the cloud instance version through the Splunk Cloud portal or contact Splunk support to confirm the deployed version.Affected if Running Splunk Cloud Platform version earlier than 9.0.2303.100.
You are affected if your Splunk version is below 8.1.14, 8.2.11, or 9.0.5 (or below 9.0.2303.100 for Cloud) AND SAML authentication is enabled and the SAML endpoint is network-accessible.
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 · scoped8.1.148.2.119.0.5
Upgrade Splunk Enterprise to version 9.0.5, 8.2.11, or 8.1.14 or later to patch the vulnerability. Consider network segmentation or Web Application Firewall rules to limit exposure to the SAML endpoint until upgrade is completed.
Upgrade to Splunk Enterprise 8.1.14, 8.2.11, 9.0.5 or later (choose the appropriate version based on your current major branch)
- 1. Identify the current Splunk Enterprise version by running: splunk version
- 2. Determine the appropriate upgrade path based on current version: for 8.1.x upgrade to 8.1.14 or later; for 8.2.x upgrade to 8.2.11 or later; for 9.0.x upgrade to 9.0.5 or later
- 3. For Splunk Cloud Platform customers, verify with Splunk support that the environment is updated to version 9.0.2303.100 or later
- 4. Create a full backup of Splunk configuration directory ($SPLUNK_HOME/etc/) and any custom apps
- 5. Test the upgrade in a non-production environment first
- 6. Schedule a maintenance window as upgrades require Splunk service restart
- 7. Run the upgrade installer for the target fixed version
- 8. Verify the Splunk service starts successfully and the SAML authentication functions correctly
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation2.0 h
- Implementation4.0 h
- Testing4.0 h
- Review / QA2.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-32706 — 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-2023-32706 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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