CVE-2025-20384
published 2025-12-03CVE-2025-20384: In Splunk Enterprise versions below 10.0.1, 9.4.6, 9.3.8, and 9.2.10, and Splunk Cloud Platform versions below 10.1.2507.4, 10.0.2503.6, and 9.3.2411.117.125…
PriorityP432medium5.3CVSS 3.1
AVNACLPRNUINSUCNILAN
EPSS
0.39%
31.4th percentile
In Splunk Enterprise versions below 10.0.1, 9.4.6, 9.3.8, and 9.2.10, and Splunk Cloud Platform versions below 10.1.2507.4, 10.0.2503.6, and 9.3.2411.117.125, an unauthenticated attacker can inject American National Standards Institute (ANSI) escape codes into Splunk log files due to improper validation at the /en-US/static/ web endpoint. This may allow them to poison, forge, or obfuscate sensitive log data through specially crafted HTTP requests, potentially impacting log integrity and detection capabilities.
Affected
11 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| splunk | splunk | — | — |
| splunk | splunk | >= 9.2.0 < 9.2.10 | 9.2.10 |
| splunk | splunk | >= 9.3.0 < 9.3.8 | 9.3.8 |
| splunk | splunk | >= 9.4.0 < 9.4.6 | 9.4.6 |
| splunk | splunk_cloud_platform | >= 10.0.2503 < 10.0.2503.6 | 10.0.2503.6 |
| splunk | splunk_cloud_platform | >= 10.1.2507 < 10.1.2507.4 | 10.1.2507.4 |
| splunk | splunk_cloud_platform | >= 9.3.2411 < 9.3.2411.117 | 9.3.2411.117 |
| splunk | splunk_enterprise | >= 10.0 < 10.0.1 | 10.0.1 |
| splunk | splunk_enterprise | >= 9.2 < 9.2.10 | 9.2.10 |
| splunk | splunk_enterprise | >= 9.3 < 9.3.8 | 9.3.8 |
| splunk | splunk_enterprise | >= 9.4 < 9.4.6 | 9.4.6 |
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VulDB
Splunk Enterprise/Cloud Platform HTTP Request /en-US/static/ neutralization for logs (SVD-2025-1203 / Nessus ID 277115)
vuldb·2026-09-26·CVSS 5.3
CVE-2025-20384 [MEDIUM] Splunk Enterprise/Cloud Platform HTTP Request /en-US/static/ neutralization for logs (SVD-2025-1203 / Nessus ID 277115)
A vulnerability, which was classified as problematic, was found in Splunk Enterprise and Cloud Platform. This affects an unknown function of the file /en-US/static/ of the component HTTP Request Handler. Executing a manipulation can lead to improper output neutralization for logs.
This vulnerability is registered as CVE-2025-20384. It is possible to launch the attack remotely. No exploit is available.
You should upgrade the affected component.
GHSA
GHSA-2x78-c45h-phqx: In Splunk Enterprise versions below 10
ghsa_unreviewed·2025-12-03
CVE-2025-20384 [MEDIUM] CWE-117 GHSA-2x78-c45h-phqx: In Splunk Enterprise versions below 10
In Splunk Enterprise versions below 10.0.1, 9.4.6, 9.3.8, and 9.2.10, and Splunk Cloud Platform versions below 10.1.2507.4, 10.0.2503.6, and 9.3.2411.117.125, an unauthenticated attacker can inject American National Standards Institute (ANSI) escape codes into Splunk log files due to improper validation at the /en-US/static/ web endpoint. This may allow them to poison, forge, or obfuscate sensitive log data through specially crafted HTTP requests, potentially impacting log integrity and detection capabilities.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2025-12-03
Published