7.5

CVE-2025-21171: .NET Remote Code Execution Vulnerability

Analyzed
AliasesUBUNTU-CVE-2025-21171CGA-3xqj-ghrj-6w54CGA-852p-24vm-658m
Published 14-01-2025Last modified 09-06-2026

Vulnerability summary

CVE-2025-21171 is a high (CVSS 7.5) Heap-based Buffer Overflow vulnerability in microsoft microsoft visual studio 2022 version 17.10. EPSS estimates a 1.72% chance of exploitation in the next 30 days, higher than 77.5% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 7.5, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
1.72%
0%100%
Low · +0.02 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 3 · Related 2
RHBA-2025:0305RHSA-2025:0382USN-7210-1CGA-4GMF-P5CC-CV9F

Timeline

  1. 14-01-2025
    PublishedVulnerability first disclosed.
  2. 09-06-2026
    Last modifiedVulnerability information updated.

Description

.NET Remote Code Execution Vulnerability

CVSS metrics

7 scores · 7 sources · 1 version

EPSS trend

Probability

1.72%

Chance of exploitation in the next 30 days

Percentile

78%

Versus all other CVEs

30-day change

Increase +0.02 pp

From 1.70% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.

NuGet12 products
  • Microsoft.NETCore.App.Runtime.linux-arm≥ 9.0.0, < 9.0.1
  • Microsoft.NETCore.App.Runtime.linux-arm64≥ 9.0.0, < 9.0.1
  • Microsoft.NETCore.App.Runtime.linux-musl-arm≥ 9.0.0, < 9.0.1
  • Microsoft.NETCore.App.Runtime.linux-musl-arm64≥ 9.0.0, < 9.0.1
  • Microsoft.NETCore.App.Runtime.linux-musl-x64≥ 9.0.0, < 9.0.1
Microsoft9 products
Alpine1 product
  • dotnet9-runtime< 9.0.1-r0
Chainguard1 product
  • dotnet-bootstrap-9< 9.0.200-r0
Ubuntu1 product
  • dotnet7All versions (No fix recorded)
Wolfi1 product
  • dotnet-bootstrap-9< 9.0.200-r0

6 vendors · 25 products

References

9 links