Home/CVE/In Splunk Enterprise versions lower than 9.0.6 and 8.2.12, a malicious actor can send a malformed security assertion mar
CVE

CVE-2023-40593

In Splunk Enterprise versions lower than 9.0.6 and 8.2.12, a malicious actor can send a malformed security assertion mar

In Splunk Enterprise versions lower than 9.0.6 and 8.2.12, a malicious actor can send a malformed security assertion markup language (SAML) request to the /saml/acs REST endpoint which can cause a denial of service through a crash or hang of the Splunk daemon.

MEDIUM · CVSS 6.3 EPSS 0.00157
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-400Uncontrolled Resource Consumption
▤

Affected Products & Versions

3
splunk>= 8.2.0 and < 8.2.12
splunk>= 9.0.0 and < 9.0.6
splunk cloud platform<= 9.0.2305.100
▣

Scoring & Timeline

6.3
MEDIUM · CVSS v3.1 · prodsec@splunk.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD30 Aug 2023 · 05:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://advisory.splunk.com/advisories/SVD-2023-0802Vendor Advisory
https://research.splunk.com/application/8e8a86d5-f323-4567-95be-8e817e2baee6/Vendor Advisory
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