High severity · published Jan 14, 2025
CVE-2025-21171
.NET Remote Code Execution Vulnerability
7.5
CVSS
1.7%
EPSS
No
On KEV
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.7% · higher than 77% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NE
.net · Microsoft
9.0.0 · source: NVD
PO
Powershell · Microsoft
7.5 · source: NVD
VS
Visual Studio 2022 · Microsoft
17.6.0 before 17.6.22; 17.8.0 before 17.8.17; 17.10.0 before 17.10.10; 17.12.0 before 17.12.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-21171
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-21171
Vendor Advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21171
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