CVE-2020-26200

A component of Kaspersky custom boot loader allowed loading of untrusted UEFI modules due to insufficient check of their authenticity. This component is incorporated in Kaspersky Rescue Disk (KRD) and was trusted by the Authentication Agent of Full Disk Encryption in Kaspersky Endpoint Security (KES). This issue allowed to bypass the UEFI Secure Boot security feature. An attacker would need physical access to the computer to exploit it. Otherwise, local administrator privileges would be required to modify the boot loader component.

• CWE-287

• https://support.kaspersky.com/general/vulnerability.aspx?el=12430#170221Broken Link
• https://github.com/CVEProject/cvelist/blob/master/2020/26xxx/CVE-2020-26200.jsonThird Party Advisory
• https://support.kaspersky.com/general/vulnerability.aspx?el=12430#170221Broken Link

Published

Feb 26, 2021

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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