What is CVE-2021-21574?

CVE-2021-21574 is a high-severity vulnerability in Dell Alienware_m15_r6, classified under Stack-based Buffer Overflow. CVSS score: 7.2/10. Published 2021-06-24.

How severe is CVE-2021-21574?

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

Is CVE-2021-21574 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Dell Alienware_m15_r6

CVE-2021-21574

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 (20.4th 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

Weakness classification (CWE)

Public proof-of-concept exploits

References

security_alert@emc.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-21574?: CVE-2021-21574 is a high-severity vulnerability in Dell Alienware_m15_r6, classified under Stack-based Buffer Overflow. CVSS score: 7.2/10. Published 2021-06-24.
How severe is CVE-2021-21574?: High severity. CVSS v3 base score is 7.2 out of 10.
Is CVE-2021-21574 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.