How severe is CVE-2022-22558?

CVE-2022-22558 has a CVSS 3.x base score of 5.7, rated medium severity. It is exploitable over local access with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.

Is CVE-2022-22558 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-2022-22558?

CVE-2022-22558 primarily affects Dell R6415 Firmware. In total, 20 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-22558?

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

When was CVE-2022-22558 published?

CVE-2022-22558 was published on 2022-04-21 and last updated on 2026-06-17.

CVE-2022-22558

CVE-2022-22558 is a medium-severity vulnerability in Dell R6415 Firmware with a CVSS 3.x base score of 5.7. 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: Medium (CVSS 3.x base score 5.7)
CVSS v2: 3.6
EPSS exploit prediction: 0% (11th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Dell R6415 Firmware
Published: 2022-04-21
Last modified: 2026-06-17

Description

Dell PowerEdge Server BIOS and Dell Precision Workstation 7910 and 7920 Rack BIOS contain an Improper SMM communication buffer verification vulnerability. A Local High Privileged attacker could potentially exploit this vulnerability leading to arbitrary writes or denial of service.

Frequently asked questions

What is CVE-2022-22558?: Dell PowerEdge Server BIOS and Dell Precision Workstation 7910 and 7920 Rack BIOS contain an Improper SMM communication buffer verification vulnerability. A Local High Privileged attacker could potentially exploit this vulnerability leading to arbitrary writes or denial of service.
How severe is CVE-2022-22558?: CVE-2022-22558 has a CVSS 3.x base score of 5.7, rated medium severity. It is exploitable over local access with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
Is CVE-2022-22558 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-2022-22558?: CVE-2022-22558 primarily affects Dell R6415 Firmware. In total, 20 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-22558?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-22558 published?: CVE-2022-22558 was published on 2022-04-21 and last updated on 2026-06-17.

References

https://www.dell.com/support/kbdoc/000197971

Affected products (20)

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:r730_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:r730xd_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:r630_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:c4130_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:m630_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:m630p_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:fc630_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:fc430_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:m830_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:m830p_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:fc830_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:t630_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:r530_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:r430_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:t430_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:r830_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:c6320_firmware:*:*:*:*:*:*:*:*

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