How severe is CVE-2022-24420?

CVE-2022-24420 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-24420 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-2022-24420?

CVE-2022-24420 primarily affects Dell Alienware 13 R3 Firmware. In total, 46 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-24420?

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-2022-24420 published?

CVE-2022-24420 was published on 2022-03-11 and last updated on 2026-06-17.

CVE-2022-24420

CVE-2022-24420 is a high-severity vulnerability in Dell Alienware 13 R3 Firmware with a CVSS 3.x base score of 8.2. 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-119.

Key facts

Severity: High (CVSS 3.x base score 8.2)
CVSS v2: 7.2
EPSS exploit prediction: 0% (19th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Dell Alienware 13 R3 Firmware
Published: 2022-03-11
Last modified: 2026-06-17

Description

Dell BIOS contains an improper input validation vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI to gain arbitrary code execution during SMM.

Frequently asked questions

What is CVE-2022-24420?: Dell BIOS contains an improper input validation vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI to gain arbitrary code execution during SMM.
How severe is CVE-2022-24420?: CVE-2022-24420 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-24420 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-2022-24420?: CVE-2022-24420 primarily affects Dell Alienware 13 R3 Firmware. In total, 46 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-24420?: 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-2022-24420 published?: CVE-2022-24420 was published on 2022-03-11 and last updated on 2026-06-17.

References

https://www.dell.com/support/kbdoc/en-us/000197057/dsa-2022-053

Affected products (46)

cpe:2.3:o:dell:alienware_13_r3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:alienware_15_r3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:alienware_15_r4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:alienware_17_r4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:alienware_17_r5_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:alienware_area_51m_r1_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:alienware_area_51m_r2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:alienware_aurora_r8_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:alienware_m15_r2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:alienware_m15_r3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:alienware_m15_r4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:alienware_m17_r2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:alienware_m17_r3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:alienware_m17_r4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:alienware_x15_r1_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:alienware_x17_r1_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:edge_gateway_3000_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:edge_gateway_5000_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:edge_gateway_5100_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:embedded_box_pc_3000_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:embedded_box_pc_5000_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:inspiron_14_3473_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:inspiron_15_3573_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:inspiron_15_5566_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:inspiron_3277_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:inspiron_3465_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:inspiron_3477_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:inspiron_3482_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:inspiron_3502_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:inspiron_3510_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:inspiron_3565_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:inspiron_3582_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:inspiron_3782_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:latitude_3379_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:vostro_14_5468_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:vostro_15_5568_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:vostro_3267_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:vostro_3268_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:vostro_3572_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:vostro_3582_firmware:*:*:*:*:*:*:*:*

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