High severity · published Aug 30, 2023
CVE-2023-40596
In Splunk Enterprise versions earlier than 8.2.12, 9.0.6, and 9.1.1, a dynamic link library (DLL) that ships with Splunk Enterprise references an insecure path for the OPENSSLDIR…
8.8
CVSS
0.2%
EPSS
No
On KEV
Description
In Splunk Enterprise versions earlier than 8.2.12, 9.0.6, and 9.1.1, a dynamic link library (DLL) that ships with Splunk Enterprise references an insecure path for the OPENSSLDIR build definition. An attacker can abuse this reference and subsequently install malicious code to achieve privilege escalation on the Windows machine.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 6% 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; 9.1.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-40596
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-40596
Vendor Advisory
https://advisory.splunk.com/advisories/SVD-2023-0805
More from Splunk
9.8
CVE-2026-20253
Unauthenticated Arbitrary File Creation and Truncation in a PostgreSQL Sidecar Service Endpoint in Splunk Enterprise
7.5
CVE-2014-0160
OpenSSL Information Disclosure Vulnerability
10.0
CVE-2022-32158
Splunk Enterprise deployment servers in versions before 8.1.10.1, 8.2.6.1, and 9.0 let clients deploy forwarder bundles to other deployment clients through the deployment server
9.8
CVE-2026-76285
Improper Adherence to Coding Standards in Splunk Enterprise
9.8
CVE-2026-76284
Improper Neutralization in Splunk Enterprise
