CVE-2021-21572

high-risk
Published 2021-06-24

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.

Do I need to act?

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0.05% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.2/10 High
LOCAL / HIGH complexity

Affected Products (20)

G5 5500 Firmware
G7 7500 Firmware
G7 7700 Firmware
Inspiron 15 7510 Firmware

Affected Vendors

Dell

References (2)

Vendor Advisory https://www.dell.com/support/kbdoc/en-us/000188682
Vendor Advisory https://www.dell.com/support/kbdoc/en-us/000188682
51
/ 100
high-risk
Severity 19/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 32/34 · Critical