CVE-2017-2751 — A BIOS password extraction vulnerability has been reported on certain consumer n

A BIOS password extraction vulnerability has been reported on certain consumer notebooks with firmware F.22 and others. The BIOS password was stored in CMOS in a way that allowed it to be extracted. This applies to consumer notebooks launched in early 2014.

01What is this vulnerability?

A BIOS password extraction vulnerability has been reported on certain consumer notebooks with firmware F.22 and others. The BIOS password was stored in CMOS in a way that allowed it to be extracted. This applies to consumer notebooks launched in early 2014.

02Affected products

Vendor	Product	Versions
HP Inc.	HP 240 G1 Notebook PC and certain other consumer notebooks	F.22 and other firmware versions

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2018-10-03T20:00:00.000Z
• Last modified: 2024-09-16T18:38:35.168Z

09References

• support.hp.com — https://support.hp.com/us-en/document/c05913581