Medium severity · published Aug 12, 2021
CVE-2021-34485
.NET Core and Visual Studio Information Disclosure Vulnerability
5.0
CVSS
2.1%
EPSS
No
On KEV
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.1% · higher than 81% 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 5.0.9 · source: vendor
NC
.NET Core 2.1 · Microsoft
2.1 before 2.1.30 · source: vendor
NC
.NET Core 3.1 · Microsoft
3.1 before 3.1.18 · source: vendor
MV
Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8) · Microsoft
15.9.0 before 15.9.38 · source: vendor
MV
Microsoft Visual Studio 2019 version 16.10 (includes 16.0 - 16.9) · Microsoft
16.10.0 before 16.10.5 · source: vendor
MV
Microsoft Visual Studio 2019 version 16.4 (includes 16.0 - 16.3) · Microsoft
16.0 before 16.4.25 · source: vendor
MV
Microsoft Visual Studio 2019 version 16.7 (includes 16.0 – 16.6) · Microsoft
16.0.0 before 16.7.18 · source: vendor
MV
Microsoft Visual Studio 2019 version 16.9 (includes 16.0 - 16.8) · Microsoft
15.0.0 before 16.9.10 · source: vendor
P7
PowerShell 7.0 · Microsoft
7.0.0 before 7.0.7 · source: vendor
P7
PowerShell 7.1 · Microsoft
7.1.0 before 7.1.4 · source: vendor
NE
.net · Microsoft
5.0 through 5.0.8 · source: NVD
NC
.net Core · Microsoft
2.1 through 2.1.28; 3.1 through 3.1.17 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-34485
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-34485
vendor-advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34485
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