CVE-2022-34716
.NET Spoofing Vulnerability
No known exploitation. EPSS puts it in the 82nd percentile. A vendor fix is available.
What to do
The vendor has published a fix. Version details are below where the sources state them.
What it is
From the CVE record
.NET Information Disclosure Vulnerability
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Not in the catalog. CISA has not confirmed exploitation.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
2.3% chance of exploitation activity in the next 30 days, which ranks it in the 82nd percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
6 events over 1416 days, from the signal feeds we watch.
- OpenVAS check added
- Patch availablerecord updated
- Publishedweakness classified, att&ck mapped
Affected products
- .NET CoreOSS Libraries / generic-library
- PowerShellDevTools & CI / ide-editor
- Microsoft Visual Studio 2019DevTools & CI / ide-editor
- Microsoft Visual Studio 2022DevTools & CI / ide-editor
- .NETOSS Libraries / generic-library
- Microsoft Visual Studio 2017DevTools & CI / ide-editor
- Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8)DevTools & CI / ide-editor
- Microsoft Visual Studio 2022 version 17.2DevTools & CI / ide-editor
- System.Security.Cryptography.XmlOSS Libraries
- Microsoft.AspNetCore.App.Runtime.win-x64OSS Libraries
- Microsoft.AspNetCore.App.Runtime.linux-x64OSS Libraries
- Microsoft.AspNetCore.App.Runtime.win-x86OSS Libraries
- Microsoft.AspNetCore.App.Runtime.osx-x64OSS Libraries
- Microsoft.AspNetCore.App.Runtime.linux-musl-x64OSS Libraries
- Microsoft.AspNetCore.App.Runtime.linux-arm64OSS Libraries
- Microsoft.AspNetCore.App.Runtime.linux-armOSS Libraries
And 15 more affected products. See all after sign-in
Technical detail
CVSS 3.1 vector
Open in the CVSS calculatorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Scored 5.9 by NVD.
How it is reached
- Attack Vector NetworkExploitable remotely over the network without any special conditions
- Attack Complexity HighRequires specific conditions like a race condition or non-default configuration
- Privileges Required NoneNo authentication required — anyone can exploit this
- User Interaction NoneNo user interaction needed — fully automated exploitation
Scope
- Scope UnchangedImpact is limited to the vulnerable component itself
Impact if exploited
- Confidentiality HighTotal information disclosure — all data in the component is compromised
- Integrity NoneNo integrity impact
- Availability NoneNo availability impact
Weaknesses
ATT&CK techniques
Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.
- Initial AccessT1078Valid Accountsmedium confidence
Sources
References in the record
- github.com/dotnet/aspnetcore/security/advisories/GHSA-vh55-786g-wjwj
- nvd.nist.gov/vuln/detail/CVE-2022-34716
- github.com/dotnet/announcements/issues/232
And 6 more references. See all after sign-in
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