High severity · published Feb 14, 2023
CVE-2023-21808
.NET and Visual Studio Remote Code Execution Vulnerability
7.8
CVSS
1.1%
EPSS
No
On KEV
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 67% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NE
.net · Microsoft
6.0.0; 7.0.0 · source: NVD
NF
.net Framework · Microsoft
3.5; 4.8; 3.5; 4.7.2; 3.5; 4.8.1; +11 more · source: NVD
VS
Visual Studio 2017 · Microsoft
15.0 before 15.9.51 · source: NVD
VS
Visual Studio 2019 · Microsoft
16.0 before 16.11.24 · source: NVD
VS
Visual Studio 2022 · Microsoft
17.0; 17.2; 17.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-21808
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-21808
Patch
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21808
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