SARA / Free Tools / CVE / CVE-2023-20526

CVE-2023-20526 — Insufficient input validation in the ASP Bootloader may enable a privileged atta

Insufficient input validation in the ASP Bootloader may enable a privileged attacker with physical access to expose the contents of ASP memory potentially leading to a loss of confidentiality.

CVSS
1.9 LOW
EPSS
0.04% (top 88.20%)
CWE
—
Published
2023-11-14T18:52:41.992Z
Last modified
2024-08-02T09:05:36.942Z
CVSS vector
CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:C/C:L/I:N/A:N

01What is this vulnerability?

Insufficient input validation in the ASP Bootloader may enable a privileged attacker with physical access to expose the contents of ASP memory potentially leading to a loss of confidentiality.

02Affected products

VendorProductVersions
AMDAMD Ryzen™ Threadripper™ 2000 Series Processors “Colfax”various
AMD1st Gen AMD EPYC™ Processorsvarious
AMD2nd Gen AMD EPYC™ Processorsvarious
AMD3rd Gen AMD EPYC™ Processorsvarious
AMDAMD EPYC™ Embedded 3000various
AMDAMD EPYC™ Embedded 7002various
AMDAMD EPYC™ Embedded 7003various

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

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

09References

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