CVE-2025-20387
Last modified
CVE-2025-20387 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. In Splunk Universal Forwarder for Windows versions below 10.0.2, 9.4.6, 9.3.8, and 9.2.10, a new installation of or an upgrade to an affected version can result in incorrect permissions assignment in the Universal Forwarder for Windows Installation directory. This lets non-administrator users on the machine access the directory and all its contents.. EPSS estimates a 0.48% chance of exploitation in the next 30 days.
Description
In Splunk Universal Forwarder for Windows versions below 10.0.2, 9.4.6, 9.3.8, and 9.2.10, a new installation of or an upgrade to an affected version can result in incorrect permissions assignment in the Universal Forwarder for Windows Installation directory. This lets non-administrator users on the machine access the directory and all its contents.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Splunk | Splunk | >= 9.2.0, < 9.2.10 |
| Splunk | Splunk | >= 9.3.0, < 9.3.8 |
| Splunk | Splunk | >= 9.4.0, < 9.4.6 |
| Splunk | Splunk | >= 10.0.0, < 10.0.2 |
References
- https://advisory.splunk.com/advisories/SVD-2025-1206Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2025-20387?
How severe is CVE-2025-20387?
How do I fix CVE-2025-20387?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2025
- CVE-2025-20381In Splunk MCP Server app versions below 0.2.4, a user with a…5.4
- CVE-2025-20382In Splunk Enterprise versions below 10.0.2, 9.4.6, 9.3.8, an…5.4
- CVE-2025-20383In Splunk Enterprise versions below 10.0.2, 9.4.6, 9.3.8, an…4.3
- CVE-2025-20384In Splunk Enterprise versions below 10.0.1, 9.4.6, 9.3.8, an…5.3
- CVE-2025-20385In Splunk Enterprise versions below 10.0.2, 9.4.6, 9.3.8, an…4.8
- CVE-2025-20386In Splunk Enterprise for Windows versions below 10.0.2, 9.4.…6.5
- CVE-2025-20388In Splunk Enterprise versions below 10.0.1, 9.4.6, 9.3.8, an…2.7
- CVE-2025-20389In Splunk Enterprise versions below 10.0.2, 9.4.6, 9.3.8, an…6.5
- CVE-2025-2039A vulnerability classified as critical has been found in cod…7.2
- CVE-2025-20393A vulnerability in the Spam Quarantine feature of Cisco Asyn…10
- CVE-2025-2040A vulnerability classified as critical was found in zhijiant…6.3
- CVE-2025-2041A vulnerability, which was classified as critical, has been …9.8
Are you affected by CVE-2025-20387?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST