Sensitive information disclosure in REST_Calls logging channel
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-200.
Summary
In Splunk Enterprise versions below 9.3.1, 9.2.3, and 9.1.6, the software potentially exposes sensitive HTTP parameters to the `_internal` index. This exposure could happen if you configure the Splunk Enterprise `REST_Calls` log channel at the DEBUG logging level.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
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 | 9.3 to before 9.3.1; 9.2 to before 9.2.3; 9.1 to before 9.1.6 | 9.3.1, 9.2.3, 9.1.6 | Patch available | CNA |
- Splunk Enterprise VendorSplunk Affected 9.3 to before 9.3.1; 9.2 to before 9.2.3; 9.1 to before 9.1.6 Fixed in 9.3.1, 9.2.3, 9.1.6 Patch available CNA
Remediation
- Fix · CNA Splunk Enterprise (Splunk) Fixed in 9.3.1, 9.2.3, 9.1.6
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Splunk Enterprise 9.1.6, 9.2.3, 9.3.1
5 records Highest priority Priority HIGH 1 HIGH, 1 MEDIUM, 3 LOW
Other records, highest priority first
- TI-2024-30705 Path traversal in Splunk EnterprisePriority HIGH 70
- TI-2024-30710 Improperly Formatted ‘INGEST_EVAL’ Parameter Crashes Splunk DaemonPriority MEDIUM 62
- TI-2024-30713 Sensitive information disclosure in AdminManager logging channelPriority LOW 23
Timeline
- 2026-10-02 Threatist record created from CVE-2024-45738
- 2026-10-03 Alias added: GHSA-587p-xc7x-rjh8
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-2024-45738 · CVE Program
- CVE-2024-45738 · NVD
- FIRST EPSS
- GHSA-587p-xc7x-rjh8 · GitHub Advisory Database · CC BY 4.0
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