CVE-2005-2509

NONECVSS 0.0

0.0

Unknown vulnerability in loginwindow in Mac OS X 10.4.2 and earlier, when Fast User Switching is enabled, allows attackers to log into other accounts if they know the passwords to at least two accounts.

CVSS v3: —
EG Score: —
EPSS: 22.9%
KEV: Not listed

Published

August 19, 2005

Last Modified

April 16, 2026

References (6)

cve@mitrehttp://lists.apple.com/archives/security-announce/2005//Aug/msg00001.html
cve@mitrehttp://lists.apple.com/archives/security-announce/2005/Aug/msg00000.html
cve@mitrehttp://securitytracker.com/id?1014704
af854a3a-2127-422b-91ae-364da2661108http://lists.apple.com/archives/security-announce/2005//Aug/msg00001.html
af854a3a-2127-422b-91ae-364da2661108http://lists.apple.com/archives/security-announce/2005/Aug/msg00000.html
af854a3a-2127-422b-91ae-364da2661108http://securitytracker.com/id?1014704

Data Freshness Timeline

(refreshed 11× in last 7d / 18× 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.

2026-05-29 13:40 UTCepss_batch
2026-05-29 13:40 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-27 13:37 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
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2026-05-26 07:16 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-24 16:42 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
2026-05-21 22:38 UTCepss_batch
2026-05-20 22:36 UTCepss_batch
2026-05-20 22:36 UTCepss_batch
2026-05-20 11:20 UTCepss_batch
2026-05-20 11:20 UTCepss_batch
2026-05-18 21:29 UTCepss_batch

Frequently asked(4)

What is CVE-2005-2509?

CVE-2005-2509 is a none vulnerability published on August 19, 2005. Unknown vulnerability in loginwindow in Mac OS X 10.4.2 and earlier, when Fast User Switching is enabled, allows attackers to log into other accounts if they know the passwords to at least two accounts.

When was CVE-2005-2509 disclosed?

CVE-2005-2509 was first published in the National Vulnerability Database on August 19, 2005, with the most recent update on April 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2005-2509 actively exploited?

CVE-2005-2509 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 22.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2005-2509?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2005-2509, 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

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CVE-2005-2509

📅 Published

🔄 Last Modified

🔗 References (6)