CVE-2025-55248

HIGH

4.8

CVSS v3

Description

Inadequate encryption strength in .NET, .NET Framework, Visual Studio allows an authorized attacker to disclose information over a network.

CWE-326

How to fix

Remediation Available

aspnetcore-runtime-8.0Rocky

Fixed in:0:8.0.21-1.el10_0RHSA-2025:18152

Fixed in:0:8.0.21-1.el8_10RHSA-2025:18148

aspnetcore-runtime-8.0Red Hat / RHEL

Fixed in:0:8.0.21-1.el10_0RHSA-2025:18152

Fixed in:0:8.0.21-1.el8_10RHSA-2025:18148

aspnetcore-runtime-9.0Red Hat / RHEL

Fixed in:0:9.0.10-1.el10_0RHSA-2025:18153

Fixed in:0:9.0.10-1.el8_10RHSA-2025:18150

aspnetcore-runtime-9.0Rocky

Fixed in:0:9.0.10-1.el10_0RHSA-2025:18153

Fixed in:0:9.0.10-1.el8_10RHSA-2025:18150

aspnetcore-runtime-dbg-8.0Red Hat / RHEL

Fixed in:0:8.0.21-1.el10_0RHSA-2025:18152

Fixed in:0:8.0.21-1.el8_10RHSA-2025:18148

aspnetcore-runtime-dbg-8.0Rocky

Fixed in:0:8.0.21-1.el10_0RHSA-2025:18152

Fixed in:0:8.0.21-1.el8_10RHSA-2025:18148

aspnetcore-runtime-dbg-9.0Rocky

Fixed in:0:9.0.10-1.el10_0RHSA-2025:18153

Fixed in:0:9.0.10-1.el8_10RHSA-2025:18150

aspnetcore-runtime-dbg-9.0Red Hat / RHEL

Fixed in:0:9.0.10-1.el10_0RHSA-2025:18153

Fixed in:0:9.0.10-1.el8_10RHSA-2025:18150

aspnetcore-targeting-pack-8.0Rocky

Fixed in:0:8.0.21-1.el10_0RHSA-2025:18152

Fixed in:0:8.0.21-1.el8_10RHSA-2025:18148

aspnetcore-targeting-pack-8.0Red Hat / RHEL

Fixed in:0:8.0.21-1.el10_0RHSA-2025:18152

Fixed in:0:8.0.21-1.el8_10RHSA-2025:18148

aspnetcore-targeting-pack-9.0Red Hat / RHEL

Fixed in:0:9.0.10-1.el10_0RHSA-2025:18153

Fixed in:0:9.0.10-1.el8_10RHSA-2025:18150

aspnetcore-targeting-pack-9.0Rocky

Fixed in:0:9.0.10-1.el10_0RHSA-2025:18153

Fixed in:0:9.0.10-1.el8_10RHSA-2025:18150

dotnetRed Hat / RHEL

Fixed in:0:9.0.111-1.el8_10RHSA-2025:18150

dotnetRocky

Fixed in:0:9.0.111-1.el8_10RHSA-2025:18150

dotnet-apphost-pack-8.0Red Hat / RHEL

Fixed in:0:8.0.21-1.el10_0RHSA-2025:18152

Fixed in:0:8.0.21-1.el8_10RHSA-2025:18148

dotnet-apphost-pack-8.0Rocky

Fixed in:0:8.0.21-1.el10_0RHSA-2025:18152

Fixed in:0:8.0.21-1.el8_10RHSA-2025:18148

dotnet-apphost-pack-8.0-debuginfoRed Hat / RHEL

Fixed in:0:8.0.21-1.el10_0RHSA-2025:18152

Fixed in:0:8.0.21-1.el8_10RHSA-2025:18148

dotnet-apphost-pack-8.0-debuginfoRocky

Fixed in:0:8.0.21-1.el10_0RHSA-2025:18152

Fixed in:0:8.0.21-1.el8_10RHSA-2025:18148

dotnet-apphost-pack-9.0Rocky

Fixed in:0:9.0.10-1.el10_0RHSA-2025:18153

Fixed in:0:9.0.10-1.el8_10RHSA-2025:18150

dotnet-apphost-pack-9.0Red Hat / RHEL

Fixed in:0:9.0.10-1.el10_0RHSA-2025:18153

Fixed in:0:9.0.10-1.el8_10RHSA-2025:18150

dotnet-apphost-pack-9.0-debuginfoRocky

Fixed in:0:9.0.10-1.el10_0RHSA-2025:18153

Fixed in:0:9.0.10-1.el8_10RHSA-2025:18150

dotnet-apphost-pack-9.0-debuginfoRed Hat / RHEL

Fixed in:0:9.0.10-1.el10_0RHSA-2025:18153

Fixed in:0:9.0.10-1.el8_10RHSA-2025:18150

dotnet-hostRed Hat / RHEL

Fixed in:0:9.0.10-1.el10_0RHSA-2025:18153

Fixed in:0:9.0.10-1.el8_10RHSA-2025:18150

dotnet-hostRocky

Fixed in:0:9.0.10-1.el10_0RHSA-2025:18153

Fixed in:0:9.0.10-1.el8_10RHSA-2025:18150

dotnet-host-debuginfoRocky

Fixed in:0:9.0.10-1.el10_0RHSA-2025:18153

Fixed in:0:9.0.10-1.el8_10RHSA-2025:18150

dotnet-host-debuginfoRed Hat / RHEL

Fixed in:0:9.0.10-1.el10_0RHSA-2025:18153

Fixed in:0:9.0.10-1.el8_10RHSA-2025:18150

dotnet-hostfxr-8.0Rocky

Fixed in:0:8.0.21-1.el10_0RHSA-2025:18152

Fixed in:0:8.0.21-1.el8_10RHSA-2025:18148

dotnet-hostfxr-8.0Red Hat / RHEL

Fixed in:0:8.0.21-1.el10_0RHSA-2025:18152

Fixed in:0:8.0.21-1.el8_10RHSA-2025:18148

dotnet-hostfxr-8.0-debuginfoRed Hat / RHEL

Fixed in:0:8.0.21-1.el10_0RHSA-2025:18152

Fixed in:0:8.0.21-1.el8_10RHSA-2025:18148

dotnet-hostfxr-8.0-debuginfoRocky

Fixed in:0:8.0.21-1.el10_0RHSA-2025:18152

Fixed in:0:8.0.21-1.el8_10RHSA-2025:18148

This vulnerability affects an unusually large number of packages. The highest-confidence fixes are shown above; the full list is longer. Check the referenced advisories for complete coverage.

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredLow

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C

Exploit Intelligence

0.67%probability of exploitation in 30 days

50thpercentile

Moderate risk: more likely to be exploited than 50% of all known CVEs.

References

Vendor Advisory1

msrc.microsoft.com

Related Vulnerabilities

Other CWE-326 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2014-0224	High	7.4	95%	-	Fix
CVE-2017-1000486	Critical	9.8	94%	KEV	Fix
CVE-2013-2566	Medium	5.9	84%	-	Fix
CVE-2017-11317	Critical	9.8	84%	KEV	-
CVE-2018-18325	High	7.5	74%	KEV	-
CVE-2018-15811	High	7.5	74%	KEV	-

Common questions

How do I fix CVE-2025-55248?

Published advisories record a fix for 140 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.

Is CVE-2025-55248 being actively exploited?

Not that we know of. CVE-2025-55248 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.67% is the estimated probability that it will be exploited in the next 30 days. That is higher than 50% of all scored CVEs.

How severe is CVE-2025-55248?

CVE-2025-55248 has a CVSS v3 base score of 4.8, rated important. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2025-55248 affect?

Published advisories record a fix for aspnetcore-runtime-8.0 (Rocky), aspnetcore-runtime-8.0 (Red Hat / RHEL), aspnetcore-runtime-9.0 (Red Hat / RHEL), aspnetcore-runtime-9.0 (Rocky), and 136 more. Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-10-23.