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CVE-2021-41355.NET Core and Visual Studio Information Disclosure Vulnerability
- 5.7MediumCVSS base score
- 20.3%Exploitation in 30 daysEPSS · top 2.5% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
.NET Core and Visual Studio Information Disclosure Vulnerability
Timeline
ID reserved
By microsoft
- 26 days later
· 26 days later
Published
- 3 years later
· 3 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| microsoftCNA (assigner) | 3.1 | Medium5.7 | CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C |
| NVDNVD · Modified | 3.1 | Medium5.7 | CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |
- EPSS (exploitation in 30 days)
- 20.3% · top 2.5% of all CVEs (13 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.7.
Affected products
- affected 7.1.0 – < 7.1.5
Microsoft · Microsoft Visual Studio 2019 version 16.9 (includes 16.0 - 16.8)
- affected 15.0.0 – < 16.9.12
Microsoft · Microsoft Visual Studio 2019 version 16.11 (includes 16.0 - 16.10)
- affected 16.11.0 – < 16.11.5
- affected 5.0.0 – < 5.0.11
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- NuGetSystem.DirectoryServices.ProtocolsGHSA-9cxh-gqpx-qc5m (opens in a new tab)
References
References2
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-41355 (opens in a new tab)x_refsource_MISCx_transferred
- https://www.oracle.com/security-alerts/cpujan2022.html (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2021-2183 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-9cxh-gqpx-qc5m (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2021-41355)Record last updated .