CVE-2023-40593
Denial of Service (DoS) in Splunk Enterprise Using a Malformed SAML Request
- State
- Published
- Severity
- 6.3 Medium
- Published
- Aug 30, 2023
- Updated
- Feb 28, 2025
- Reserved
- Aug 16, 2023
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 6.3 Medium | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H | Splunk |
Weaknesses
- CWE-400 The software does not properly control the allocation and maintenance of a limited resource thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.
Affected Products
| Product | Versions |
|---|---|
Splunk EnterpriseSplunk |
|
Splunk CloudSplunk |
|
References
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