Remote Code Execution through Serialized Session Payload in Splunk Enterprise on Windows
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-502.
Summary
In Splunk Enterprise versions below 9.2.2, 9.1.5, and 9.0.10 on Windows, an authenticated user could execute a specially crafted query that they could then use to serialize untrusted data. The attacker could use the query to execute arbitrary code.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Splunk | Splunk Enterprise | 9.2 to before 9.2.2; 9.1 to before 9.1.5; 9.0 to before 9.0.10 | 9.2.2, 9.1.5, 9.0.10 | Patch available | CNA |
- Splunk Enterprise VendorSplunk Affected 9.2 to before 9.2.2; 9.1 to before 9.1.5; 9.0 to before 9.0.10 Fixed in 9.2.2, 9.1.5, 9.0.10 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:* | 9.0.0 to before 9.0.10; 9.1.0 to before 9.1.5; 9.2.0 to before 9.2.2 | Vulnerable | Splunk |
- cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:* Versions 9.0.0 to before 9.0.10; 9.1.0 to before 9.1.5; 9.2.0 to before 9.2.2 Vulnerable ·Splunk
Remediation
- Fix · CNA Splunk Enterprise (Splunk) Fixed in 9.2.2, 9.1.5, 9.0.10
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Splunk Enterprise 9.0.10, 9.1.5, 9.2.2
15 records Highest priority Priority HIGH 1 HIGH, 3 MEDIUM, 11 LOW
Other records, highest priority first
- TI-2024-24537 Path Traversal on the “/modules/messaging/“ endpoint in Splunk Enterprise on WindowsPriority HIGH 72
- TI-2024-24532 Remote Code Execution (RCE) through an external lookup due to “copybuckets.py“ script in…Priority MEDIUM 49
- TI-2024-24530 Command Injection using External LookupsPriority MEDIUM 42
Timeline
- 2026-10-02 Threatist record created from CVE-2024-36984
- 2026-10-03 Alias added: GHSA-54hj-cc7x-rq4c
References
More Splunk vulnerabilities
- TI-2026-16444 Unauthenticated Arbitrary File Creation and Truncation in a PostgreSQL Sidecar Service Endpoint in Splunk Enterprise KEVCVSS 3.1CRITICAL 9.8
- TI-2014-00154 The (1) TLS and (2) DTLS implementations in OpenSSL 1.0.1 before 1.0.1g do not properly… KEVCVSS 3.1HIGH 7.5
- TI-2023-24841 Remote code execution (RCE) in Splunk Enterprise through Insecure XML Parsing CVSS 3.1HIGH 8.8
- TI-2023-15979 ‘edit_user’ Capability Privilege Escalation CVSS 3.1HIGH 8.8
- TI-2024-30707 Remote Code Execution (RCE) due to insecure session storage configuration in Splunk Enterprise on Windows CVSS 3.1HIGH 8.8
- TI-2022-21345 Reflected Cross-Site Scripting via the radio template in Splunk Enterprise CVSS 3.1HIGH 8.8
Sources
- CVE-2024-36984 · CVE Program
- CVE-2024-36984 · NVD
- FIRST EPSS
- GHSA-54hj-cc7x-rq4c · GitHub Advisory Database · CC BY 4.0
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