Cyber Resilience

CVE-2025-21401

Medium

Published: 15 February 2025

Published
15 February 2025
Modified
05 March 2025
KEV Added
Patch
CVSS Score v3.1 4.5 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
EPSS Score 0.0046 64.6th percentile
Risk Priority 9 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-21401 is a medium-severity Open Redirect (CWE-601) vulnerability in Microsoft Edge Chromium. Its CVSS base score is 4.5 (Medium).

Operationally, ranked in the top 35.4% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Microsoft Edge (Chromium-based) Security Feature Bypass Vulnerability

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

microsoft
edge chromium
≤ 133.0.3065.69

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-601

Security awareness includes verifying URLs and avoiding untrusted redirects that lead to malicious sites.

addresses: CWE-601

Validates redirect targets and URLs to ensure they conform to allowed destinations.

References