A denial of service vulnerability exists when .NET Core or .NET Framework improperly handles web requests, aka '.NET Core & .NET Framework Denial of Service Vulnerability'.
CVE-2020-1108
This high-severity CVE scores 7.5 under NVD CVSS v3. EPSS exploit probability: 3.8%, top 12% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- High severity, but no confirmed exploitation yet
A fix is available — apply it.
- CVSS v3
- 7.5
- EG Score
- 7.5(medium)
- EPSS
- 95.6%
- KEV
- Not listed
Published
May 21, 2020
Last Modified
November 21, 2024
References (2)
- secure@microsofthttps://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1108
- af854a3a-2127-422b-91ae-364da2661108https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1108
Vendor Advisories for CVE-2020-1108(8)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
- RHSA-2020:2476Red Hat Product SecurityHigh
Red Hat Security Advisory: .NET Core on Red Hat Enterprise Linux 7 security update
- RHSA-2020:2475Red Hat Product SecurityHigh
Red Hat Security Advisory: .NET Core on Red Hat Enterprise Linux 7 security update
- RHSA-2020:2471Red Hat Product SecurityHigh
Red Hat Security Advisory: .NET Core on Red Hat Enterprise Linux 8 security update
- RHSA-2020:2450Red Hat Product SecurityHigh
Red Hat Security Advisory: .NET Core 3.1 on Red Hat Enterprise Linux 8 security update
- RHSA-2020:2250Red Hat Product SecurityHigh
Red Hat Security Advisory: dotnet3.1 security update
- RHSA-2020:2249Red Hat Product SecurityHigh
Red Hat Security Advisory: .NET Core on Red Hat Enterprise Linux security and bug fix update
- RHSA-2020:2146Red Hat Product SecurityHigh
Red Hat Security Advisory: .NET Core on Red Hat Enterprise Linux security and bug fix update
- RHSA-2020:2143Red Hat Product SecurityHigh
Red Hat Security Advisory: .NET Core security update
Patch Availability(8)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| redhat | dotnet-0:2.1.515-1.el8_2 | 2020-06-10 | redhat |
| redhat | rh-dotnet21-dotnet-0:2.1.515-1.el7 | 2020-06-10 | redhat |
| redhat | rh-dotnet31-dotnet-0:3.1.105-1.el7 | 2020-06-10 | redhat |
| redhat | dotnet3.1-0:3.1.105-2.el8_2 | 2020-06-09 | redhat |
| redhat | rh-dotnet31-dotnet-0:3.1.104-2.el7 | 2020-05-21 | redhat |
| redhat | dotnet3.1-0:3.1.104-2.el8_2 | 2020-05-21 | redhat |
| redhat | dotnet-0:2.1.514-2.el8_2 | 2020-05-13 | redhat |
| redhat | rh-dotnet21-dotnet-0:2.1.514-2.el7 | 2020-05-13 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Affected Packages
(12 across 1 ecosystem)
NuGet(12)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| Microsoft.NETCore.App | 2.1.0 ... 2.1.9 (18 versions) | 2.1.18 | — |
| Microsoft.NETCore.App.Runtime.linux-arm | 3.1.0, 3.1.1, 3.1.2, 3.1.3 | 3.1.4 | — |
| Microsoft.NETCore.App.Runtime.linux-arm64 | 3.1.0, 3.1.1, 3.1.2, 3.1.3 | 3.1.4 | — |
| Microsoft.NETCore.App.Runtime.linux-musl-arm64 | 3.1.0, 3.1.1, 3.1.2, 3.1.3 | 3.1.4 | — |
| Microsoft.NETCore.App.Runtime.linux-musl-x64 | 3.1.0, 3.1.1, 3.1.2, 3.1.3 | 3.1.4 | — |
| Microsoft.NETCore.App.Runtime.linux-x64 | 3.1.0, 3.1.1, 3.1.2, 3.1.3 | 3.1.4 | — |
| Microsoft.NETCore.App.Runtime.osx-x64 | 3.1.0, 3.1.1, 3.1.2, 3.1.3 | 3.1.4 | — |
| Microsoft.NETCore.App.Runtime.rhel.6-x64 | 3.1.0, 3.1.1, 3.1.2, 3.1.3 | 3.1.4 | — |
| Microsoft.NETCore.App.Runtime.win-arm | 3.1.0, 3.1.1, 3.1.2, 3.1.3 | 3.1.4 | — |
| Microsoft.NETCore.App.Runtime.win-arm64 | 3.1.0, 3.1.1, 3.1.2, 3.1.3 | 3.1.4 | — |
| Microsoft.NETCore.App.Runtime.win-x64 | 3.1.0, 3.1.1, 3.1.2, 3.1.3 | 3.1.4 | — |
| Microsoft.NETCore.App.Runtime.win-x86 | 3.1.0, 3.1.1, 3.1.2, 3.1.3 | 3.1.4 | — |
Additional Vendor Advisories
(1)
Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.
Data Freshness Timeline
(refreshed 10× in last 7d / 41× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-11 08:25 UTCEPSS rescore
- 2026-07-11 08:25 UTCEPSS rescore
- 2026-07-09 19:07 UTCEPSS rescore
- 2026-07-08 15:12 UTCEPSS rescore
- 2026-07-07 13:43 UTCEPSS rescore
- 2026-07-07 13:43 UTCEPSS rescore
- 2026-07-06 16:25 UTCEPSS rescore
- 2026-07-06 16:25 UTCEPSS rescore
- 2026-07-06 02:21 UTCEPSS rescore
- 2026-07-06 02:21 UTCEPSS rescore
- 2026-07-05 02:27 UTCEPSS rescore
- 2026-07-01 20:31 UTCOSV refresh
- 2026-07-01 15:03 UTCEPSS rescore
- 2026-06-30 23:20 UTCEPSS rescore
- 2026-06-30 23:20 UTCEPSS rescore
- 2026-06-29 14:04 UTCEPSS rescore
- 2026-06-28 14:05 UTCEPSS rescore
- 2026-06-28 04:54 UTCEPSS rescore
- 2026-06-28 04:54 UTCEPSS rescore
- 2026-06-27 03:06 UTCEPSS rescore
- 2026-06-25 13:47 UTCEPSS rescore
- 2026-06-24 14:03 UTCEPSS rescore
- 2026-06-24 14:03 UTCEPSS rescore
- 2026-06-23 21:31 UTCEPSS rescore
- 2026-06-23 21:31 UTCEPSS rescore
Show 49 moreShow fewer
- 2026-06-22 14:23 UTCEPSS rescore
- 2026-06-22 14:23 UTCEPSS rescore
- 2026-06-21 14:54 UTCEPSS rescore
- 2026-06-21 14:54 UTCEPSS rescore
- 2026-06-21 01:57 UTCEPSS rescore
- 2026-06-21 01:57 UTCEPSS rescore
- 2026-06-18 17:50 UTCEPSS rescore
- 2026-06-17 17:50 UTCEPSS rescore
- 2026-06-16 17:50 UTCEPSS rescore
- 2026-06-16 17:50 UTCEPSS rescore
- 2026-06-15 17:46 UTCEPSS rescore
- 2026-06-14 23:15 UTCEPSS rescore
- 2026-06-14 02:13 UTCOSV refresh
- 2026-06-13 22:58 UTCEPSS rescore
- 2026-06-13 22:58 UTCEPSS rescore
- 2026-06-12 23:10 UTCEPSS rescore
- 2026-06-11 13:58 UTCEPSS rescore
- 2026-06-10 22:16 UTCEPSS rescore
- 2026-06-10 22:16 UTCEPSS rescore
- 2026-06-10 13:20 UTCEPSS rescore
- 2026-06-08 14:15 UTCEPSS rescore
- 2026-06-08 14:15 UTCEPSS rescore
- 2026-06-07 15:23 UTCEPSS rescore
- 2026-06-07 15:23 UTCEPSS rescore
- 2026-06-06 13:45 UTCEPSS rescore
- 2026-06-06 13:45 UTCEPSS rescore
- 2026-06-05 22:45 UTCEPSS rescore
- 2026-06-05 22:45 UTCEPSS rescore
- 2026-06-04 13:10 UTCEPSS rescore
- 2026-06-04 13:10 UTCEPSS rescore
- 2026-06-02 20:11 UTCEPSS rescore
- 2026-06-02 20:11 UTCEPSS rescore
- 2026-06-01 13:50 UTCEPSS rescore
- 2026-06-01 13:50 UTCEPSS rescore
- 2026-05-31 22:29 UTCEPSS rescore
- 2026-05-31 22:29 UTCEPSS rescore
- 2026-05-31 00:15 UTCEPSS rescore
- 2026-05-31 00:15 UTCEPSS rescore
- 2026-05-29 13:42 UTCEPSS rescore
- 2026-05-28 13:43 UTCEPSS rescore
- 2026-05-28 13:43 UTCEPSS rescore
- 2026-05-27 13:39 UTCEPSS rescore
- 2026-05-27 03:21 UTCEG score recompute
- 2026-05-27 03:21 UTCVendor advisory
- 2026-05-26 13:42 UTCEPSS rescore
- 2026-05-26 13:42 UTCEPSS rescore
- 2026-05-26 07:17 UTCEPSS rescore
- 2026-05-26 07:17 UTCEPSS rescore
- 2026-05-24 16:48 UTCEPSS rescore
Frequently asked(5)
What is CVE-2020-1108?
When was CVE-2020-1108 disclosed?
Is CVE-2020-1108 actively exploited?
What is the CVSS score of CVE-2020-1108?
How do I remediate CVE-2020-1108?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2020-1108
Is Your Infrastructure Affected by CVE-2020-1108?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.