CVE-2025-55248: microsoft microsoft .net framework 2.0 service pack 2 Inadequate Encryption Strength
CVSS: 5.7v3.1MediumAnalyzed
AliasesUBUNTU-CVE-2025-55248CGA-358c-gq3j-cjhfCGA-3ggm-38c7-4w53CGA-7v4h-c49g-qh5wCGA-89c4-cm5q-2f9mCGA-pqp3-8vgc-v626CGA-rc52-wvx3-9j7mGHSA-gwq6-fmvp-qp68BIT-dotnet-2025-55248BIT-dotnet-sdk-2025-55248
Published 14-10-2025Last modified 22-02-2026
Vulnerability summary
CVE-2025-55248 is a medium (CVSS 5.7) Inadequate Encryption Strength vulnerability in microsoft microsoft .net framework 2.0 service pack 2. EPSS estimates a 0.72% chance of exploitation in the next 30 days, higher than 53% of scored vulnerabilities.
CVSS score
5.7/10
010
Medium · v3.1 (NVD)EPSS score
0.72%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 10 · Related 2Timeline
- 14-10-2025PublishedVulnerability first disclosed.
- 22-02-2026Last modifiedVulnerability information updated.
Description
Inadequate encryption strength in .NET, .NET Framework, Visual Studio allows an authorized attacker to disclose information over a network.
CVSS metrics
6 scores · 6 sources · 1 versionMedium 5.7Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:NSources6 sources · 4.8–5.7
- CVE.orgCNA4.8MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:CDiffers
- OSV · UbuntuEcosystem advisory · calculated5.7MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
- OSV · WolfiEcosystem advisory · calculated5.7MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
- OSV · ChainguardEcosystem advisory · calculated5.7MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
- OSV · NugetEcosystem advisory · calculated5.7MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
EPSS trend
Probability
0.72%
Chance of exploitation in the next 30 days
Percentile
53%
Versus all other CVEs
30-day change
0.00 pp
From 0.72% on 19-09-2026
19-09-202619-10-2026
EPSS score0.72%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Microsoft18 products
- microsoft .net framework 2.0 service pack 2≥ 2.0.0, < 2.0.50727.8981
- microsoft .net framework 3.0 service pack 2≥ 3.0.0, < 2.0.50727.8981
- microsoft .net framework 3.5≥ 3.5.0, < 2.0.50727.8981
- microsoft .net framework 3.5 and 4.7.2≥ 4.7.0, < 4.7.04137.03
- microsoft .net framework 3.5 and 4.8≥ 4.8.0, < 4.8.04798.02
NuGet12 products
- Microsoft.NETCore.App.Runtime.linux-arm≥ 9.0.0, < 9.0.10 | ≥ 8.0.0, < 8.0.21
- Microsoft.NETCore.App.Runtime.linux-arm64≥ 9.0.0, < 9.0.10 | ≥ 8.0.0, < 8.0.21
- Microsoft.NETCore.App.Runtime.linux-musl-arm≥ 9.0.0, < 9.0.10 | ≥ 8.0.0, < 8.0.21
- Microsoft.NETCore.App.Runtime.linux-musl-arm64≥ 9.0.0, < 9.0.10 | ≥ 8.0.0, < 8.0.21
- Microsoft.NETCore.App.Runtime.linux-musl-x64≥ 9.0.0, < 9.0.10 | ≥ 8.0.0, < 8.0.21
Ubuntu4 products
- dotnet6All versions (No fix recorded)
- dotnet7All versions (No fix recorded)
- dotnet8< 8.0.121-8.0.21-0ubuntu1~22.04.1 | < 8.0.121-8.0.21-0ubuntu1~24.04.1 | < 8.0.121-8.0.21-0ubuntu1~25.10.1
- dotnet9< 9.0.111-9.0.10-0ubuntu1~25.10.1
Chainguard2 products
- dotnet-bootstrap-8< 8.0.122-r0
- dotnet-bootstrap-9< 9.0.112-r0
Wolfi2 products
- dotnet-bootstrap-8< 8.0.122-r0
- dotnet-bootstrap-9< 9.0.112-r0
5 vendors · 38 products
References
8 links
- github.com/dotnet/runtimePACKAGE