CVE-2024-43483: microsoft microsoft .net framework 2.0 service pack 2 Inefficient Algorithmic Complexity
CVSS: 7.5v3.1HighAnalyzed
AliasesUBUNTU-CVE-2024-43483GHSA-qj66-m88j-hmgjBIT-dotnet-2024-43483BIT-dotnet-sdk-2024-43483
Published 08-10-2024Last modified 19-08-2026
Vulnerability summary
CVE-2024-43483 is a high (CVSS 7.5) Inefficient Algorithmic Complexity vulnerability in microsoft microsoft .net framework 2.0 service pack 2. EPSS estimates a 2.90% chance of exploitation in the next 30 days, higher than 86.7% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (CVE.org)EPSS score
2.90%
0%100%
Low · +0.02 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 9 · Related 1Timeline
- 08-10-2024PublishedVulnerability first disclosed.
- 19-08-2026Last modifiedVulnerability information updated.
Description
.NET, .NET Framework, and Visual Studio Denial of Service Vulnerability
CVSS metrics
5 scores · 4 sources · 2 versionsHigh 8.8Preferred score · OSV · Nuget (Ecosystem advisory) · calculated from vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:NSourcesSingle source
High 7.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:CSourcesAll 4 agree
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · NugetEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
2.90%
Chance of exploitation in the next 30 days
Percentile
87%
Versus all other CVEs
30-day change
+0.02 pp
From 2.87% on 19-09-2026
19-09-202619-10-2026
EPSS score2.90%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Microsoft22 products
- microsoft .net framework 2.0 service pack 2≥ 2.0.0, < 3.0.30729.8974
- microsoft .net framework 3.0 service pack 2≥ 3.0.0, < 3.0.30729.8974
- microsoft .net framework 3.5≥ 3.5.0, < 3.5.30729.8973
- microsoft .net framework 3.5 and 4.7.2≥ 4.7.0, < 4.7.04115.01
- microsoft .net framework 3.5 and 4.8≥ 4.8.0, < 4.8.04762.01
NuGet3 products
- Microsoft.Extensions.Caching.Memory≥ 8.0.0-preview.1.23110.8, < 8.0.1 | ≥ 9.0.0-preview.1.24080.9, < 9.0.0-rc.2.24473.5 | ≥ 6.0.0-preview.1.21102.12, < 6.0.2
- System.IO.Packaging≥ 9.0.0-preview.1.24080.9, < 9.0.0-rc.2.24473.5 | ≥ 6.0.0-preview.1.21102.12, < 6.0.1 | ≥ 8.0.0-preview.1.23110.8, < 8.0.1
- System.Security.Cryptography.Cose≥ 9.0.0-preview.1.24080.9, < 9.0.0-rc.2.24473.5 | ≥ 8.0.0-preview.1.23110.8, < 8.0.1
Ubuntu3 products
- dotnet6< 6.0.135-0ubuntu1~22.04.1
- dotnet7All versions (No fix recorded)
- dotnet8< 8.0.110-8.0.10-0ubuntu1~22.04.1 | < 8.0.110-8.0.10-0ubuntu1~24.04.1
3 vendors · 28 products
References
8 links- github.com/dotnet/runtimePACKAGE