Vulnerability in Denx U-Boot

CVE-2021-27097

The boot loader in Das U-Boot before 2021.04-rc2 mishandles a modified FIT.

EPSS: 0.011 (61.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Denx U-boot — versions 2021.04
N/a — versions n/a

Public proof-of-concept exploits

w4zu/Debian_

References

cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2021-27097?: CVE-2021-27097 is a high-severity vulnerability in Denx U-Boot. CVSS score: 7.8/10. Published 2021-02-17.
How severe is CVE-2021-27097?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2021-27097 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.