5.9

CVE-2019-0657: microsoft microsoft .net framework 2.0 Improper Input Validation

CVSS: 5.9v3.0MediumModified
AliasesRHSA-2019:0349GHSA-x5qj-9vmx-7g6g
Published 06-03-2019Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2019-0657 is a medium (CVSS 5.9) Improper Input Validation vulnerability in microsoft microsoft .net framework 2.0. EPSS estimates a 4.52% chance of exploitation in the next 30 days, higher than 91.4% of scored vulnerabilities.

Overall risk
25/100
0100
Medium · default modelHow is this calculated?
CVSS score
5.9/10
010
Medium · v3.0 (NVD)
EPSS score
4.52%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 06-03-2019
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

A vulnerability exists in certain .Net Framework API's and Visual Studio in the way they parse URL's, aka '.NET Framework and Visual Studio Spoofing Vulnerability'.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

4.52%

Chance of exploitation in the next 30 days

Percentile

91%

Versus all other CVEs

30-day change

0.00 pp

From 4.52% on 19-09-2026

19-09-202619-10-2026
EPSS score
4.52%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Redhat21 products
  • rh-dotnet21< 0:2.1-7.el7
  • rh-dotnet21-dotnet< 0:2.1.504-1.el7
  • rh-dotnet21-dotnet-debuginfo< 0:2.1.504-1.el7
  • rh-dotnet21-dotnet-host< 0:2.1.8-1.el7
  • rh-dotnet21-dotnet-runtime-2.1< 0:2.1.8-1.el7
Microsoft18 products
  • microsoft .net framework 2.0Service Pack 2 on Windows Server 2008 for Itanium-Based Systems Service Pack 2
  • microsoft .net framework 3.0Service Pack 2 on Windows Server 2008 for Itanium-Based Systems Service Pack 2 | Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2 | Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2
  • microsoft .net framework 3.5Windows Server 2012 | Windows Server 2012 (Server Core installation) | Windows 8.1 for 32-bit systems | Windows 8.1 for x64-based systems | Windows Server 2012 R2 | Windows Server 2012 R2 (Server Core installation) | Windows 10 for 32-bit Systems | Windows 10 for x64-based Systems | Windows Server 2016 | Windows 10 Version 1607 for 32-bit Systems | Windows 10 Version 1607 for x64-based Systems | Windows 10 Version 1703 for 32-bit Systems | Windows 10 Version 1703 for x64-based Systems | Windows 10 Version 1709 for 32-bit Systems | Windows 10 Version 1709 for x64-based Systems | Windows Server, version 1709 (Server Core Installation) | Windows 10 Version 1803 for 32-bit Systems | Windows 10 Version 1803 for x64-based Systems | Windows Server, version 1803 (Server Core Installation) | Windows 10 Version 1803 for ARM64-based Systems | Windows 10 Version 1809 for 32-bit Systems | Windows 10 Version 1809 for x64-based Systems | Windows Server 2019 | Windows Server 2019 (Server Core installation) | Windows 10 Version 1709 for ARM64-based Systems
  • microsoft .net framework 3.5.1Windows 7 for 32-bit Systems Service Pack 1 | Windows 7 for x64-based Systems Service Pack 1 | Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1 | Windows Server 2008 R2 for x64-based Systems Service Pack 1
  • microsoft .net framework 4.5.2Windows 7 for 32-bit Systems Service Pack 1 | Windows 7 for x64-based Systems Service Pack 1 | Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | Windows Server 2008 R2 for x64-based Systems Service Pack 1 | Windows Server 2012 | Windows Server 2012 (Server Core installation) | Windows 8.1 for 32-bit systems | Windows 8.1 for x64-based systems | Windows Server 2012 R2 | Windows RT 8.1 | Windows Server 2012 R2 (Server Core installation) | Windows Server 2008 for 32-bit Systems Service Pack 2 | Windows Server 2008 for x64-based Systems Service Pack 2
NuGet2 products
  • Microsoft.NETCore.App≥ 2.2.0, < 2.2.2 | ≥ 2.1.0, < 2.1.8
  • System.Private.Uri≥ 4.3.0, < 4.3.2

3 vendors · 41 products

References

11 links
Show all 11 references