Vulnerability Details : CVE-2021-27097
The boot loader in Das U-Boot before 2021.04-rc2 mishandles a modified FIT.
Products affected by CVE-2021-27097
- cpe:2.3:a:denx:u-boot:*:*:*:*:*:*:*:*
- cpe:2.3:a:denx:u-boot:2021.04:rc1:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-27097
0.11%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 44 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-27097
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST | |
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
MITRE | |
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
References for CVE-2021-27097
-
https://github.com/u-boot/u-boot/commit/8a7d4cf9820ea16fabd25a6379351b4dc291204b
fdt_region: Check for a single root node of the correct name · u-boot/u-boot@8a7d4cf · GitHubPatch;Third Party Advisory
-
https://github.com/u-boot/u-boot/commit/6f3c2d8aa5e6cbd80b5e869bbbddecb66c329d01
image: Add an option to do a full check of the FIT · u-boot/u-boot@6f3c2d8 · GitHubPatch;Third Party Advisory
-
https://github.com/u-boot/u-boot/commit/b6f4c757959f8850e1299a77c8e5713da78e8ec0
Merge branch '2021-02-15-fix-CVE-2021-27097-CVE-2021-27138' · u-boot/u-boot@b6f4c75 · GitHubPatch;Third Party Advisory
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