How severe is CVE-2022-34412?

CVE-2022-34412 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over local access with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-34412 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-34412?

CVE-2022-34412 primarily affects Dell R6515 Firmware. In total, 80 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-34412?

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-2022-34412 published?

CVE-2022-34412 was published on 2023-03-16 and last updated on 2026-06-17.

CVE-2022-34412

CVE-2022-34412 is a high-severity vulnerability in Dell R6515 Firmware with a CVSS 3.x base score of 7.5. 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-119.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (11th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Dell R6515 Firmware
Published: 2023-03-16
Last modified: 2026-06-17

Description

Dell PowerEdge BIOS and Dell Precision BIOS contain an Improper SMM communication buffer verification vulnerability. A local malicious user with high Privileges may potentially exploit this vulnerability to perform arbitrary code execution or cause denial of service.

Frequently asked questions

What is CVE-2022-34412?: Dell PowerEdge BIOS and Dell Precision BIOS contain an Improper SMM communication buffer verification vulnerability. A local malicious user with high Privileges may potentially exploit this vulnerability to perform arbitrary code execution or cause denial of service.
How severe is CVE-2022-34412?: CVE-2022-34412 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over local access with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-34412 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-34412?: CVE-2022-34412 primarily affects Dell R6515 Firmware. In total, 80 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-34412?: 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-2022-34412 published?: CVE-2022-34412 was published on 2023-03-16 and last updated on 2026-06-17.

References

https://www.dell.com/support/kbdoc/en-us/000206296/dsa-2022-204-dell-poweredge-improper-smm-communication-buffer-verification-vulnerability

Affected products (80)

cpe:2.3:o:dell:r6515_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:r7515_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:r6525_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:r7525_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:xe8545_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:c6525_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:r6415_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:r7415_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:r7425_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:r750_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:r750xa_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:r650_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:c6520_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:mx750c_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:r450_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:r550_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:r650xs_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:r750xs_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:t550_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:xr11_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:xr12_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:r250_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:r350_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:t150_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:t350_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:r740_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:r740xd_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:r640_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:r940_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:r540_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:r440_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:t440_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:xr2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:r740xd2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:r840_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:r940xa_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:t640_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:c6420_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:fc640_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:m640_firmware:*:*:*:*:*:*:*:*

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