CVE-2022-21986: fedoraproject fedora
CVSS: 7.5v3.1HighModified
AliasesRHSA-2022:0495RHSA-2022:0496RHSA-2022:0499RHSA-2022:0500GHSA-x459-p2rx-f8ffBIT-dotnet-2022-21986BIT-dotnet-sdk-2022-21986
Published 09-02-2022Last modified 08-10-2026
Vulnerability summary
CVE-2022-21986 is a high (CVSS 7.5) vulnerability in fedoraproject fedora. EPSS estimates a 3.74% chance of exploitation in the next 30 days, higher than 89.7% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (CVE.org)EPSS score
3.74%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 09-02-2022PublishedVulnerability first disclosed.
- 08-10-2026Last modifiedVulnerability information updated.
Description
.NET Denial of Service Vulnerability
CVSS metrics
5 scores · 4 sources · 2 versionsHigh 7.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:CSourcesAll 4 agree
- OSV · Red hatEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · NugetEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
3.74%
Chance of exploitation in the next 30 days
Percentile
90%
Versus all other CVEs
30-day change
0.00 pp
From 3.74% on 19-09-2026
19-09-202619-10-2026
EPSS score3.74%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Redhat61 products
- aspnetcore-runtime-5.0< 0:5.0.14-1.el8_5
- aspnetcore-runtime-6.0< 0:6.0.2-1.el8_5
- aspnetcore-targeting-pack-5.0< 0:5.0.14-1.el8_5
- aspnetcore-targeting-pack-6.0< 0:6.0.2-1.el8_5
- dotnet< 0:6.0.102-1.el8_5
NuGet12 products
- Microsoft.AspNetCore.App.Runtime.linux-arm≥ 5.0.0, < 5.0.14 | ≥ 6.0.0, < 6.0.2
- Microsoft.AspNetCore.App.Runtime.linux-arm64≥ 5.0.0, < 5.0.14 | ≥ 6.0.0, < 6.0.2
- Microsoft.AspNetCore.App.Runtime.linux-musl-arm≥ 5.0.0, < 5.0.14 | ≥ 6.0.0, < 6.0.2
- Microsoft.AspNetCore.App.Runtime.linux-musl-arm64≥ 5.0.0, < 5.0.14 | ≥ 6.0.0, < 6.0.2
- Microsoft.AspNetCore.App.Runtime.linux-musl-x64≥ 5.0.0, < 5.0.14 | ≥ 6.0.0, < 6.0.2
Microsoft9 products
- microsoft visual studio 2019 version 16.11 (includes 16.0 - 16.10)≥ 16.11.0, < 16.11.10
- microsoft visual studio 2019 version 16.9 (includes 16.0 - 16.8)≥ 15.0.0, < 16.9.17
- microsoft visual studio 2022 version 17.0≥ 17.0.0, < 17.0.6
- .net≥ 5.0, < 5.0.14 | ≥ 6.0.0, < 6.0.2
- .net 5.0≥ 5.0.0, < 5.0.14
Fedoraproject1 product
- fedoraEOL34 | 35
4 vendors · 83 products
References
20 linksShow all 20 references
- github.com/dotnet/aspnetcorePACKAGE