Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Splunk | Splunk | >= 8.2.0, < 8.2.12 |
| Splunk | Splunk Cloud Platform | <= 9.0.2305.100 |
Related Weaknesses (CWE)
References
- https://advisory.splunk.com/advisories/SVD-2023-0802Vendor Advisory
- https://research.splunk.com/application/8e8a86d5-f323-4567-95be-8e817e2baee6/Vendor Advisory
- https://advisory.splunk.com/advisories/SVD-2023-0802Vendor Advisory
- https://research.splunk.com/application/8e8a86d5-f323-4567-95be-8e817e2baee6/Vendor Advisory
FAQ
What is CVE-2023-40593?
CVE-2023-40593 is a vulnerability with a CVSS score of 6.3 (MEDIUM). 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 d...
How severe is CVE-2023-40593?
CVE-2023-40593 has been rated MEDIUM with a CVSS base score of 6.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-40593?
Check the references section above for vendor advisories and patch information. Affected products include: Splunk Splunk, Splunk Splunk Cloud Platform.