Vulnerability in Denx U-Boot
CVE-2021-27138
The boot loader in Das U-Boot before 2021.04-rc2 mishandles use of unit addresses in a FIT.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.011 (64.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 64.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: +0.000
Affected products
- Denx U-Boot — versions 2021.04
Public proof-of-concept exploits
References
- github.com/u-boot/u-boot/commit/b6f4c757959f8850e1299a77c8e5713da78e8ec0 (Patch, Third Party Advisory)
- github.com/u-boot/u-boot/commit/3f04db891a353f4b127ed57279279f851c6b4917 (Patch, Third Party Advisory)
- github.com/u-boot/u-boot/commit/79af75f7776fc20b0d7eb6afe1e27c00fdb4b9b4 (Patch, Third Party Advisory)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2021-27138?
- CVE-2021-27138 is a high-severity vulnerability in Denx U-Boot. CVSS score: 7.8/10. Published 2021-02-17.
- How severe is CVE-2021-27138?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2021-27138 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.