How severe is CVE-2023-43088?

CVE-2023-43088 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over physical access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-43088 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-43088?

CVE-2023-43088 affects Dell Precision 7865 Tower Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-43088?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-43088 published?

CVE-2023-43088 was published on 2023-12-22 and last updated on 2026-06-17.

CVE-2023-43088

CVE-2023-43088 is a high-severity vulnerability in Dell Precision 7865 Tower Firmware with a CVSS 3.x base score of 7.2. 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-16.

Key facts

Severity: High (CVSS 3.x base score 7.2)
EPSS exploit prediction: 0% (19th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-16
Affected product: Dell Precision 7865 Tower Firmware
Published: 2023-12-22
Last modified: 2026-06-17

Description

Dell Client BIOS contains a pre-boot direct memory access (DMA) vulnerability. An authenticated attacker with physical access to the system may potentially exploit this vulnerability in order to execute arbitrary code on the device.

Frequently asked questions

What is CVE-2023-43088?: Dell Client BIOS contains a pre-boot direct memory access (DMA) vulnerability. An authenticated attacker with physical access to the system may potentially exploit this vulnerability in order to execute arbitrary code on the device.
How severe is CVE-2023-43088?: CVE-2023-43088 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over physical access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-43088 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-43088?: CVE-2023-43088 affects Dell Precision 7865 Tower Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-43088?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-43088 published?: CVE-2023-43088 was published on 2023-12-22 and last updated on 2026-06-17.

References

https://www.dell.com/support/kbdoc/en-us/000218223/dsa-2023-377

Affected products (1)

cpe:2.3:o:dell:precision_7865_tower_firmware:*:*:*:*:*:*:*:*

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