CVE-2024-21319: microsoft identity_model Improper Input Validation
CVSS: 6.8v3.1MediumModified
AliasesUBUNTU-CVE-2024-21319GHSA-59j7-ghrg-fj52BIT-dotnet-2024-21319BIT-dotnet-sdk-2024-21319
Published 09-01-2024Last modified 03-06-2025
Vulnerability summary
CVE-2024-21319 is a medium (CVSS 6.8) Improper Input Validation vulnerability in microsoft identity_model. EPSS estimates a 2.89% chance of exploitation in the next 30 days, higher than 86.7% of scored vulnerabilities.
CVSS score
6.8/10
010
Medium · v3.1 (CVE.org)EPSS score
2.89%
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 8 · Related 3Timeline
- 09-01-2024PublishedVulnerability first disclosed.
- 03-06-2025Last modifiedVulnerability information updated.
Description
Microsoft Identity Denial of service vulnerability
CVSS metrics
4 scores · 4 sources · 1 versionMedium 6.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:CSourcesAll 4 agree
- OSV · UbuntuEcosystem advisory · calculated6.8MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
- OSV · NugetEcosystem advisory · calculated6.8MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
- NVDNIST6.8MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
EPSS trend
Probability
2.89%
Chance of exploitation in the next 30 days
Percentile
87%
Versus all other CVEs
30-day change
0.00 pp
From 2.89% on 20-09-2026
20-09-202620-10-2026
EPSS score2.89%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Microsoft16 products
- identity_model≥ 5.0.0, < 5.7.0 | ≥ 6.0.0, < 6.34.0 | ≥ 7.0.0, < 7.1.2
- microsoft identity model v5.0.0≥ 5.0, < 5.7.0
- microsoft identity model v5.0.0 for nuget≥ 5.0, < 5.7.0
- microsoft identity model v6.0.0≥ 6.0, < 6.34.0
- microsoft identity model v6.0.0 fornuget≥ 6.0, < 6.34.0
NuGet2 products
- Microsoft.IdentityModel.JsonWebTokens< 5.7.0 | ≥ 6.5.0, < 6.34.0 | ≥ 7.0.0-preview, < 7.1.2
- System.IdentityModel.Tokens.Jwt< 5.7.0 | ≥ 6.5.0, < 6.34.0 | ≥ 7.0.0-preview, < 7.1.2
Ubuntu2 products
- dotnet6< 6.0.126-0ubuntu1~22.04.1
- dotnet7< 7.0.115-0ubuntu1~22.04.1
3 vendors · 20 products
References
9 links
- github.com/dotnet/aspnetcorePACKAGE