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CVE-2023-28063

Dell BIOS contains a Signed to Unsigned Conversion Error vulnerability. A local authenticated malicious user with admin privileges could…

Description

Dell BIOS contains a Signed to Unsigned Conversion Error vulnerability. A local authenticated malicious user with admin privileges could potentially exploit this vulnerability, leading to denial of service.

Timeline

  1. ID reserved

    By dell

  2. · 11 months later

    Published

  3. · 6 months later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2023-28063, by who scored it
Scored byCVSSScoreVector
dellCNA (assigner)3.1Medium6.7CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVDNVD · Modified3.1Medium4.4CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
EPSS (exploitation in 30 days)
0.16% · top 95% of all CVEs (12 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.7.

Affected products

  • Dell · CPG BIOS

    • affected 1.24.0
    • affected 1.17.0
    • affected 1.13.0
    • affected 1.5.1
    • affected 1.21.0
    • affected 1.20.0
    • affected 1.23.0
    • affected 1.26.0
    • affected 1.25.0
    • affected 1.15.0
    • affected 1.12.0
    • affected 2.20.0
    • affected 1.14.0
    • affected 1.27.0
    • affected 1.19.0
    • affected 1.22.1
    • affected 2.21.0
    • affected 1.18.0
    • affected 1.7.0
    • affected 1.28.0
    • affected 1.22.0
    • affected 1.29.0
    • affected 1.30.0
    • affected 1.11.0
    • affected 1.13.1
    • affected 1.26.1
    • affected 1.13.2
    • affected 1.14.1
    • affected 1.33.0
    • affected 1.31.0
    • affected 1.12.1
    • affected 1.18.1
    • affected 1.10.0
    • affected 2.14.0
    • affected 1.1.28
    • affected 1.4.1
    • affected 2.5.1
    • affected 2.4.0
    • affected 2.6.1
    • affected 1.26.8
    • and 8 more

References

References1

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

CVE-2023-28063 badge
[![CVE-2023-28063](https://cveledger.app/badge/CVE-2023-28063.svg)](https://cveledger.app/cve/CVE-2023-28063)

Record last updated .