High severity · published May 11, 2021
CVE-2021-31204
.NET and Visual Studio Elevation of Privilege Vulnerability
7.3
CVSS
1.2%
EPSS
No
On KEV
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 68% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
N5
.NET 5.0 · Microsoft
5.0.0 before 5.0.6-servicing.21220.11 · source: vendor
NC
.NET Core 3.1 · Microsoft
3.1 before 3.1.15-servicing.21214.3 · source: vendor
MV
Microsoft Visual Studio 2019 version 16.4 (includes 16.0 - 16.3) · Microsoft
16.0 before publication · source: vendor
MV
Microsoft Visual Studio 2019 version 16.7 (includes 16.0 – 16.6) · Microsoft
16.0.0 before publication · source: vendor
MV
Microsoft Visual Studio 2019 version 16.9 (includes 16.0 - 16.8) · Microsoft
15.0.0 before publication · source: vendor
VS
Visual Studio 2019 for Mac version 8.9 · Microsoft
8.0 before publication · source: vendor
NE
.net · Microsoft
5.0 through 5.0.5 · source: NVD
NC
.net Core · Microsoft
3.1 through 3.1.14 · source: NVD
FE
Fedora · Fedoraproject
32; 33; 34 · source: NVD
VS
Visual Studio 2019 · Microsoft
16.0 before 16.4.22; 16.5.0 before 16.7.15; 16.8.0 before 16.9.5; 8.9 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-31204
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-31204
x_refsource_MISC
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31204
vendor-advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FVMWZPF4FR6JPFSNAIDIUDULHZJBVCW6/
vendor-advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6M7KL3KTHJVQNRA3CWFUTESQJARQEHSZ/
vendor-advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4F3VM3RMPE7PNNLLI3BPCSAXITQZCFCA/
vendor-advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZWF25Z3CZ6LYCOHZ7FPSFAQ426JUBUZ4/
vendor-advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UV4ITB3SUDGR23G7XALUVKFJMZERFUKF/
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