High severity · published Aug 30, 2023
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…
7.5
CVSS
0.6%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 48% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SP
Splunk · Splunk
8.2.0 before 8.2.12; 9.0.0 before 9.0.6 · source: NVD
SC
Splunk Cloud Platform · Splunk
through 9.0.2305.100 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-40593
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-40593
Vendor Advisory
https://advisory.splunk.com/advisories/SVD-2023-0802
Vendor Advisory
https://research.splunk.com/application/8e8a86d5-f323-4567-95be-8e817e2baee6/
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