Loading HuntDB...
Hunt
Vulnerability Intelligence by wss.sh
Home Daily Briefings High Impact CVEs Recent Exploits KEV Catalog GitHub Advisories Latest Updates Security News
Sign In Sign Up

CVE-2021-1723

HIGH
Published 2021-01-12T19:42:47
Actions:

Expert Analysis

Professional remediation guidance

Get tailored security recommendations from our analyst team for CVE-2021-1723. We'll provide specific mitigation strategies based on your environment and risk profile.

CVSS Score

V3.1
7.5
/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2023.03.01
0.002
probability
of exploitation in the wild

There is a 0.2% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-01-25
Exploit Probability
Percentile: 0.598
Higher than 59.8% of all CVEs

Attack Vector Metrics

Attack Vector
Not Available
Attack Complexity
Not Available
Privileges Required
Not Available
User Interaction
Not Available
Scope
Not Available

Impact Metrics

Confidentiality
Not Available
Integrity
Not Available
Availability
Not Available

Description

No description available

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Microsoft

ASP.NET Core 3.1

Affected Versions:

3.0
Microsoft

ASP.NET Core 5.0

Affected Versions:

5.0
Microsoft

Microsoft Visual Studio 2019 version 16.4 (includes 16.0 - 16.3)

Affected Versions:

16.0
Microsoft

Microsoft Visual Studio 2019 version 16.8

Affected Versions:

16.0
Microsoft

Microsoft Visual Studio 2019 version 16.7 (includes 16.0 – 16.6)

Affected Versions:

16.0.0

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

✓ GitHub Reviewed HIGH

ASP.NET Core and Visual Studio Denial of Service Vulnerability

GHSA-242j-2gm6-5rwx

Advisory Details

A denial-of-service vulnerability exists in the way Kestrel parses HTTP/2 requests. The security update addresses the vulnerability by fixing the way the Kestrel parses HTTP/2 requests. Users are advised to upgrade.

Affected Packages

NuGet Microsoft.AspNetCore.Server.Kestrel.Core
ECOSYSTEM: ≥0 <2.1.25
NuGet Microsoft.AspNetCore.App.Runtime.linux-arm
ECOSYSTEM: ≥3.1.0 <3.1.11
NuGet Microsoft.AspNetCore.App.Runtime.linux-arm
ECOSYSTEM: ≥5.0.0 <5.0.2
NuGet Microsoft.AspNetCore.App.Runtime.linux-arm64
ECOSYSTEM: ≥3.1.0 <3.1.11
NuGet Microsoft.AspNetCore.App.Runtime.linux-arm64
ECOSYSTEM: ≥5.0.0 <5.0.2
NuGet Microsoft.AspNetCore.App.Runtime.linux-musl-arm64
ECOSYSTEM: ≥3.1.0 <3.1.11
NuGet Microsoft.AspNetCore.App.Runtime.linux-musl-arm64
ECOSYSTEM: ≥5.0.0 <5.0.2
NuGet Microsoft.AspNetCore.App.Runtime.linux-musl-x64
ECOSYSTEM: ≥3.1.0 <3.1.11
NuGet Microsoft.AspNetCore.App.Runtime.linux-musl-x64
ECOSYSTEM: ≥5.0.0 <5.0.2
NuGet Microsoft.AspNetCore.App.Runtime.linux-x64
ECOSYSTEM: ≥3.1.0 <3.1.11
NuGet Microsoft.AspNetCore.App.Runtime.linux-x64
ECOSYSTEM: ≥5.0.0 <5.0.2
NuGet Microsoft.AspNetCore.App.Runtime.osx-x64
ECOSYSTEM: ≥3.1.0 <3.1.11
NuGet Microsoft.AspNetCore.App.Runtime.osx-x64
ECOSYSTEM: ≥5.0.0 <5.0.2
NuGet Microsoft.AspNetCore.App.Runtime.win-arm
ECOSYSTEM: ≥3.1.0 <3.1.11
NuGet Microsoft.AspNetCore.App.Runtime.win-arm
ECOSYSTEM: ≥5.0.0 <5.0.2
NuGet Microsoft.AspNetCore.App.Runtime.win-arm64
ECOSYSTEM: ≥3.1.0 <3.1.11
NuGet Microsoft.AspNetCore.App.Runtime.win-arm64
ECOSYSTEM: ≥5.0.0 <5.0.2
NuGet Microsoft.AspNetCore.App.Runtime.win-x64
ECOSYSTEM: ≥3.1.0 <3.1.11
NuGet Microsoft.AspNetCore.App.Runtime.win-x64
ECOSYSTEM: ≥5.0.0 <5.0.2
NuGet Microsoft.AspNetCore.App.Runtime.win-x86
ECOSYSTEM: ≥3.1.0 <3.1.11
NuGet Microsoft.AspNetCore.App.Runtime.win-x86
ECOSYSTEM: ≥5.0.0 <5.0.2
NuGet Microsoft.AspNetCore.App.Runtime.linux-musl-arm
ECOSYSTEM: ≥5.0.1 <5.0.2

CVSS Scoring

CVSS Score

7.5

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-1723
WEB https://github.com/dotnet/announcements/issues/170
WEB https://lists.fedoraproject.org/archives/list/[email protected]/message/3L27CGRVEWUPELNJOGTCW6GLEDBECB4B
WEB https://lists.fedoraproject.org/archives/list/[email protected]/message/RRXHERXW4KR5WCP76UDW5PC7GX3YQLUW
WEB https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-1723

Advisory provided by GitHub Security Advisory Database. Published: May 24, 2022, Modified: October 9, 2024

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-1723
Published: 2021-01-12T19:42:47
Last Modified: 2024-10-08T16:17:31.472Z
Copied to clipboard!