CVSS 3.1
9.1 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:NCVE-2020-11684
AT91bootstrap before 3.9.2 does not properly wipe encryption and authentication keys from memory before passing control to a less privileged software component. This can be exploited to disclose these keys and subsequently encrypt and sign the next boot stage (such as the bootloader).
Severity
- EPSS
- 1.1% chance of exploitation in the next 30 days; higher than 65% of CVEs (scores of 2026-10-31)
- CWE
- CWE-212
- Published
- Modified
- Record from
- the NVD, synced
Affected
- linux4sam:at91bootstrap
References
- https://github.com/linux4sam/at91bootstrap/commit/45419497309ffbf27c17ea7938499aca99168927
- https://labs.f-secure.com/advisories/microchip-at91bootstrap/
- https://github.com/linux4sam/at91bootstrap/commit/45419497309ffbf27c17ea7938499aca99168927
- https://labs.f-secure.com/advisories/microchip-at91bootstrap/