CVE-2025-54477

MEDIUMNVD 5.35.3—

5.3

Improper handling of authentication requests lead to a user enumeration vector in the passkey authentication method.

CVSS v3: 5.3
EG Score: 5.3(medium)
EPSS: 11.8%
KEV: Not listed

Published

September 30, 2025

Last Modified

April 15, 2026

References (1)

security@joomlahttps://developer.joomla.org/security-centre/1011-20250902-core-user-enumeration-in-passkey-authentication-method.html

Weakness Classification(1)

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

CWE-203Observable Discrepancy (Information Exposure via Side Channel)

Data Freshness Timeline

(refreshed 15× in last 7d / 20× 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.

2026-06-04 13:12 UTCepss_batch
2026-06-04 13:12 UTCepss_batch
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
2026-05-29 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-26 13:44 UTCepss_batch

Frequently asked(5)

What is CVE-2025-54477?

CVE-2025-54477 is a medium vulnerability published on September 30, 2025. Improper handling of authentication requests lead to a user enumeration vector in the passkey authentication method.

When was CVE-2025-54477 disclosed?

CVE-2025-54477 was first published in the National Vulnerability Database on September 30, 2025, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2025-54477 actively exploited?

CVE-2025-54477 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 11.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2025-54477?

CVE-2025-54477 has a CVSS v3 base score of 5.3 (NVD).

How do I remediate CVE-2025-54477?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-54477, 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-2025-54477

Explore →

Is Your Infrastructure Affected by CVE-2025-54477?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs

CVE-2025-54477

📅 Published

🔄 Last Modified

🔗 References (1)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2025-54477?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (1)

Frequently asked(5)

Related CVEs(same CWE)