AWARD Bios Modular 4.50pg does not clear the keyboard buffer after reading the BIOS password during system startup, which allows local administrators or users to read the password directly from physical memory.
CVE-2005-4176
- No confirmed exploitation signals yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 66.1%
- KEV
- Not listed
Published
December 11, 2005
Last Modified
April 16, 2026
References (12)
- cve@mitrehttp://www.ivizsecurity.com/preboot-patch.html
- cve@mitrehttp://www.ivizsecurity.com/research/preboot/preboot_whitepaper.pdf
- cve@mitrehttp://www.kb.cert.org/vuls/id/847537
- cve@mitrehttp://www.pulltheplug.org/users/endrazine/Bios.Information.Leakage.txt
- cve@mitrehttp://www.securityfocus.com/archive/1/419610/100/0/threaded
- cve@mitrehttp://www.securityfocus.com/bid/15751
- af854a3a-2127-422b-91ae-364da2661108http://www.ivizsecurity.com/preboot-patch.html
- af854a3a-2127-422b-91ae-364da2661108http://www.ivizsecurity.com/research/preboot/preboot_whitepaper.pdf
- af854a3a-2127-422b-91ae-364da2661108http://www.kb.cert.org/vuls/id/847537
- af854a3a-2127-422b-91ae-364da2661108http://www.pulltheplug.org/users/endrazine/Bios.Information.Leakage.txt
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/archive/1/419610/100/0/threaded
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/15751
Data Freshness Timeline
(refreshed 6× in last 7d / 30× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-13 22:24 UTCEPSS rescore
- 2026-07-13 06:07 UTCEPSS rescore
- 2026-07-13 06:07 UTCEPSS rescore
- 2026-07-11 08:22 UTCEPSS rescore
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- 2026-07-08 15:09 UTCEPSS rescore
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- 2026-06-29 14:02 UTCEPSS rescore
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- 2026-06-28 04:52 UTCEPSS rescore
- 2026-06-27 03:04 UTCEPSS rescore
- 2026-06-25 13:46 UTCEPSS rescore
- 2026-06-24 14:01 UTCEPSS rescore
- 2026-06-23 21:29 UTCEPSS rescore
- 2026-06-22 14:22 UTCEPSS rescore
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- 2026-06-21 01:56 UTCEPSS rescore
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- 2026-06-18 17:49 UTCEPSS rescore
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- 2026-06-16 17:49 UTCEPSS rescore
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- 2026-06-13 22:56 UTCEPSS rescore
- 2026-06-12 23:08 UTCEPSS rescore
- 2026-06-11 13:55 UTCEPSS rescore
- 2026-06-10 22:14 UTCEPSS rescore
- 2026-06-10 13:17 UTCEPSS rescore
- 2026-06-08 14:13 UTCEPSS rescore
- 2026-06-07 15:21 UTCEPSS rescore
- 2026-06-06 13:44 UTCEPSS rescore
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- 2026-06-05 22:43 UTCEPSS rescore
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- 2026-06-05 06:07 UTCEPSS rescore
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- 2026-06-04 13:09 UTCEPSS rescore
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- 2026-06-02 20:10 UTCEPSS rescore
- 2026-06-01 13:49 UTCEPSS rescore
- 2026-06-01 13:49 UTCEPSS rescore
- 2026-05-31 22:28 UTCEPSS rescore
- 2026-05-31 11:12 UTCEG score recompute
- 2026-05-31 11:12 UTCGHSA enrichment
- 2026-05-31 00:13 UTCEPSS rescore
- 2026-05-31 00:13 UTCEPSS rescore
- 2026-05-29 13:40 UTCEPSS rescore
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- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-27 13:37 UTCEPSS rescore
- 2026-05-26 13:41 UTCEPSS rescore
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- 2026-05-26 07:16 UTCEPSS rescore
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- 2026-05-24 16:42 UTCEPSS rescore
- 2026-05-22 21:15 UTCEPSS rescore
- 2026-05-21 22:38 UTCEPSS rescore
- 2026-05-20 22:36 UTCEPSS rescore
- 2026-05-20 22:36 UTCEPSS rescore
- 2026-05-20 11:20 UTCEPSS rescore
- 2026-05-20 11:20 UTCEPSS rescore
- 2026-05-18 21:29 UTCEPSS rescore
Publicly available exploits
(2 references)Working exploit code is in the public domain (2 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
- Exploit-DBEDB-26753✓ verifiedFirst seen Dec 6, 2005
Multiple Vendor BIOS - Keyboard Buffer Password Persistence (2)
Open source ↗ - Exploit-DBEDB-26752✓ verifiedFirst seen Dec 6, 2005
Multiple Vendor BIOS - Keyboard Buffer Password Persistence (1)
Open source ↗
Frequently asked(4)
What is CVE-2005-4176?
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