Vulnerability in Microsoft Visual Studio 2019 Version 16.4 (Includes 16.0 - 16.3)
CVE-2021-31204
.NET and Visual Studio Elevation of Privilege Vulnerability
EPSS: 0.037 (88.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C.
Affected products
- Microsoft Visual Studio 2019 Version 16.4 (Includes 16.0 - 16.3) — versions 16.0
- Microsoft Visual Studio 2019 Version 16.7 (Includes 16.0 – 16.6) — versions 16.0.0
- Microsoft Visual Studio 2019 Version 16.9 (Includes 16.0 - 16.8) — versions 15.0.0
- Microsoft .Net 5.0 — versions 5.0.0
- Microsoft .Net Core 3.1 — versions 3.1
- Microsoft Visual Studio 2019 For Mac Version 8.9 — versions 8.0
Public proof-of-concept exploits
References
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31204 (x_refsource_MISC)
- FEDORA-2021-a3c205f5b2 (vendor-advisory, x_refsource_FEDORA)
- FEDORA-2021-13e3bd248f (vendor-advisory, x_refsource_FEDORA)
- FEDORA-2021-721731dc86 (vendor-advisory, x_refsource_FEDORA)
- FEDORA-2021-c06b64b5ee (vendor-advisory, x_refsource_FEDORA)
- FEDORA-2021-f25eb9e302 (vendor-advisory, x_refsource_FEDORA)
- FEDORA-2021-d551431950 (vendor-advisory, x_refsource_FEDORA)
Frequently asked questions
- What is CVE-2021-31204?
- CVE-2021-31204 is a high-severity vulnerability in Microsoft Visual Studio 2019 Version 16.4 (Includes 16.0 - 16.3). CVSS score: 7.3/10. Published 2021-05-11.
- How severe is CVE-2021-31204?
- High severity. CVSS v3 base score is 7.3 out of 10.
- Is CVE-2021-31204 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.