CVE-2025-21173

HIGHNVD 7.37.3—Trending — 5 sources updated this week

7.3

.NET Elevation of Privilege Vulnerability

CVSS v3: 7.3
EG Score: 7.3(medium)
EPSS: 83.9%
KEV: Not listed

Published

January 14, 2025

Last Modified

May 6, 2025

References (2)

secure@microsofthttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21173
af854a3a-2127-422b-91ae-364da2661108https://www.herodevs.com/vulnerability-directory/cve-2025-21173

Vendor Advisories for CVE-2025-21173(2)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(6)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	netstandard-targeting-pack-2.1-8.0 (8.0.112-0ubuntu1~22.04.1) @ jammy	2026-05-30	ubuntu
redhat	dotnet8.0-0:8.0.112-1.el9_4	2025-01-21	redhat
redhat	dotnet8.0-0:8.0.112-1.el8_10	2025-01-16	redhat
redhat	dotnet9.0-0:9.0.102-1.el8_10	2025-01-16	redhat
redhat	dotnet8.0-0:8.0.112-1.el9_5	2025-01-14	redhat
redhat	dotnet9.0-0:9.0.102-1.el9_5	2025-01-14	redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Additional Vendor Advisories

(5)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 13× in last 7d / 13× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-30 13:28 UTCEG score recompute
2026-05-30 13:28 UTCVendor advisory
2026-05-30 13:28 UTCGHSA enrichment
2026-05-30 09:01 UTCOSV refresh
2026-05-29 13:44 UTCepss_batch

Frequently asked(5)

What is CVE-2025-21173?

CVE-2025-21173 is a high vulnerability published on January 14, 2025. .NET Elevation of Privilege Vulnerability

When was CVE-2025-21173 disclosed?

CVE-2025-21173 was first published in the National Vulnerability Database on January 14, 2025, with the most recent update on May 6, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2025-21173 actively exploited?

CVE-2025-21173 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 83.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2025-21173?

CVE-2025-21173 has a CVSS v3 base score of 7.3 (NVD).

How do I remediate CVE-2025-21173?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-21173, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2025-21173

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