How severe is CVE-2023-39433?

CVE-2023-39433 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability low.

Is CVE-2023-39433 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2023-39433?

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

Does CVE-2023-39433 have an EU (EUVD) identifier?

Yes. CVE-2023-39433 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-43157.

When was CVE-2023-39433 published?

CVE-2023-39433 was published on 2024-05-16 and last updated on 2026-06-17.

CVE-2023-39433

CVE-2023-39433 is a medium-severity vulnerability with a CVSS 3.x base score of 4.4. 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-284.

Key facts

Severity: Medium (CVSS 3.x base score 4.4)
EPSS exploit prediction: 0% (10th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-43157
Weakness: CWE-284
Published: 2024-05-16
Last modified: 2026-06-17

Description

Improper access control for some Intel(R) CST software before version 2.1.10300 may allow an authenticated user to potentially enable escalation of privilege via local access.

Frequently asked questions

What is CVE-2023-39433?: Improper access control for some Intel(R) CST software before version 2.1.10300 may allow an authenticated user to potentially enable escalation of privilege via local access.
How severe is CVE-2023-39433?: CVE-2023-39433 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability low.
Is CVE-2023-39433 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2023-39433?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-39433 have an EU (EUVD) identifier?: Yes. CVE-2023-39433 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-43157.
When was CVE-2023-39433 published?: CVE-2023-39433 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-01021.html

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