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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.58%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.58% probability · 46th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-400
- Affected
- splunk/splunk · splunk/splunk cloud platform
- Source
- prodsec@splunk.com
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.