CVE-2023-40596 json
Splunk Enterprise on Windows Privilege Escalation due to Insecure OPENSSLDIR Build Definition Reference in DLL
published 2023-08-30 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-45154
- cvss
- 7.0
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 5%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- Splunk Splunk Enterprise 8.2.12, 9.0.6, 9.1.1
- splunk splunk 8.2.12, 9.0.6, 9.1.1
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 2 y ago
Exploit prediction
0.17% chance of exploitation in the next 30 days, higher than 5% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.0 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
Affected products
- Splunk Splunk Enterprise
- splunk splunk
Classification
References
-
advisory.splunk.com
/advisories/SVD-2023-0805
vendor-advisory
Sources
- CVE List CVE-2023-40596
- NVD CVE-2023-40596
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