CVE-2025-20387
Title: Incorrect Permissions in Splunk Universal Forwarder for Windows
Arbitrary File Access
Proof Of Concept
No public PoC currently indexed for CVE-2025-20387.
CWE Category
CWE-732
Published Date
Dec 03, 2025
Modified Date
Dec 05, 2025
Exploit Status
Not Found
Score
8.0
CVSS v3.1
Exploit Probability (EPSS)
0.49%
Vulnerability Summary
CVE-2025-20387: 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.
Impacted Vendors
Reference Links
CVSS v3.1
Source Entity
[email protected]
Severity
HIGH
8.0
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
REQUIRED
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
CVSS v3.1
Source Entity
[email protected]
Severity
MEDIUM
6.5
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Associated Attack Patterns (CAPEC)
Total: PatternsNo specific attack patterns mapped.
Likelihood
Severity
Page /
CVE-2025-20387 Exploits & PoCs (Proof Of Concept)
No public PoCs found in our database for this CVE.
MODIFIED
Vulnerability data or affected products updated.
MODIFIED
Vulnerability data updated via NVD.
PUBLISHED
Vulnerability first announced in NVD.
Attack Vector Matrix
Access Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
REQUIRED
CVSS Vector String
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Affected Stack
No specific products linked.