How severe is CVE-2023-28383?

CVE-2023-28383 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over local access with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity high, and availability none.

Is CVE-2023-28383 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2023-28383?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2023-28383 have an EU (EUVD) identifier?

Yes. CVE-2023-28383 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-32079.

When was CVE-2023-28383 published?

CVE-2023-28383 was published on 2024-05-16 and last updated on 2026-06-17.

CVE-2023-28383

CVE-2023-28383 is a medium-severity vulnerability with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-92.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
EPSS exploit prediction: 0% (9th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-32079
Weakness: CWE-92
Published: 2024-05-16
Last modified: 2026-06-17

Description

Improper conditions check in some Intel(R) BIOS PPAM firmware may allow a privileged user to potentially enable escalation of privilege via local access.

Frequently asked questions

What is CVE-2023-28383?: Improper conditions check in some Intel(R) BIOS PPAM firmware may allow a privileged user to potentially enable escalation of privilege via local access.
How severe is CVE-2023-28383?: CVE-2023-28383 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over local access with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity high, and availability none.
Is CVE-2023-28383 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2023-28383?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-28383 have an EU (EUVD) identifier?: Yes. CVE-2023-28383 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-32079.
When was CVE-2023-28383 published?: CVE-2023-28383 was published on 2024-05-16 and last updated on 2026-06-17.

References

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00814.html

Other CWE-92 vulnerabilities

CVE-2024-23918 — High (CVSS 8.8): Improper conditions check in some Intel(R) Xeon(R) processor memory controller configurations when using Intel(R) SGX…
CVE-2022-29262 — High (CVSS 7.9): Improper buffer restrictions in some Intel(R) Server Board BIOS firmware may allow a privileged user to potentially…
CVE-2023-42429 — High (CVSS 7.5): Improper buffer restrictions in some Intel NUC BIOS firmware may allow a privileged user to potentially enable…
CVE-2023-27504 — High (CVSS 7.2): Improper conditions check in some Intel(R) BIOS Guard firmware may allow a privileged user to potentially enable…
CVE-2023-38655 — Medium (CVSS 6.8): Improper buffer restrictions in firmware for some Intel(R) AMT and Intel(R) Standard Manageability may allow a…
CVE-2023-28722 — Medium (CVSS 6.7): Improper buffer restrictions for some Intel NUC BIOS firmware before version IN0048 may allow a privileged user to…

Browse all CWE-92 vulnerabilities →