VYPR
Medium severity5.9NVD Advisory· Published Jun 24, 2021· Updated Jun 17, 2026

CVE-2021-21571

CVE-2021-21571

Description

Dell UEFI BIOS https stack leveraged by the Dell BIOSConnect feature and Dell HTTPS Boot feature contains an improper certificate validation vulnerability. A remote unauthenticated attacker may exploit this vulnerability using a person-in-the-middle attack which may lead to a denial of service and payload tampering.

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Affected products

131

Patches

Vulnerability mechanics

References

1

News mentions

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