UpHeron
All vulnerabilities

Servers and applications

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 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.

Severity
High 7.5
Published
30 Aug 2023
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
8.2.12, 9.0.6
Sources
NVD

Affected software

SoftwareAffected versions
Splunk EnterpriseServers and applications · cpe:a:splunk:splunk
  • From 8.2.0 before 8.2.12
  • From 9.0.0 before 9.0.6

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2023-40593
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2023-40593