What is CVE-2021-21572?

CVE-2021-21572 is a high-severity vulnerability in Dell Alienware_m15_r6, classified under Heap-based Buffer Overflow. CVSS score: 7.2/10. Published 2021-06-24.

How severe is CVE-2021-21572?

High severity. CVSS v3 base score is 7.2 out of 10.

Buffer overflow in Dell Alienware_m15_r6

CVE-2021-21572

Dell BIOSConnect feature contains a buffer overflow vulnerability. An authenticated malicious admin user with local access to the system may potentially exploit this vulnerability to run arbitrary code and bypass UEFI restrictions.

Vulnerability class: Buffer Overflow

EPSS: 0.003 (17.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H.

Affected products

Dell Alienware_m15_r6
Dell Alienware_m15_r6_firmware
Dell Biosconnect — versions unspecified
Dell Chengming_3990
Dell Chengming_3990_firmware
Dell Chengming_3991
Dell Chengming_3991_firmware
Dell G15_5510
Dell G15_5510_firmware
Dell G15_5511

Weakness classification (CWE)

CWE-122 — Heap-based Buffer Overflow
CWE-787 — Out-of-bounds Write

References

security_alert@emc.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-21572?: CVE-2021-21572 is a high-severity vulnerability in Dell Alienware_m15_r6, classified under Heap-based Buffer Overflow. CVSS score: 7.2/10. Published 2021-06-24.
How severe is CVE-2021-21572?: High severity. CVSS v3 base score is 7.2 out of 10.