CVE-2025-55315: ASP.NET Security Feature Bypass Vulnerability
Microsoft · ASP.NET Core 2.3
Vendor fix available · Affected: Microsoft ASP.NET Core 2.3 · Exploitation: likely to be exploited (10% or more)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 99% of scored CVEs
DescriptionCVE.org
Inconsistent interpretation of http requests ('http request/response smuggling') in ASP.NET Core allows an authorized attacker to bypass a security feature over a network.
Affected products6
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- Microsoft · ASP.NET Core 2.3from 2.3 before 2.3.6
- Microsoft · ASP.NET Core 8.0from 8.0 before 8.0.21
- Microsoft · ASP.NET Core 9.0from 9.0 before 9.0.10
- Microsoft · Microsoft Visual Studio 2022 version 17.10from 17.10.0 before 17.10.20
- Microsoft · Microsoft Visual Studio 2022 version 17.12from 17.12.0 before 17.12.13
- Microsoft · Microsoft Visual Studio 2022 version 17.14from 17.14.0 before 17.14.17
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Likely to be exploited (10% or more). EPSS gives it a 10% or higher chance of exploitation in the next 30 days.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Vendor
- Microsoft
- Published
- October 2025
CoverageNo articles yet
No CyberSIXT article names CVE-2025-55315 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.