Knowledge · Vulnerabilities by version

U-Boot 2020.04: 33 known CVEs

33 CVEs, 6 of them critical and 0 actively exploited.

As of 13 Nov 2026, 33 CVEs are known for U-Boot 2020.04, 6 critical and 14 high. 2026.04, the newest listed version, still carries 18 of them.

Data queried 13 November 2026 · Page updated 13 November 2026 · 3 min read

At a glance
Version
U-Boot 2020.04
Known CVEs
33
Critical / high
6 / 14
Actively exploited (CISA KEV)
0
Confirmed by the vendor
0

Checked on 13 Nov 2026

Which CVEs affect U-Boot 2020.04?

CVESeverityCVSSFixed fromNote
CVE-2022-30767critical9.8not statedper vulnerability databases
CVE-2022-34835critical9.82022.07per vulnerability databases
CVE-2025-70290critical9.8not statedper vulnerability databases
CVE-2025-70293critical9.8not statedper vulnerability databases
CVE-2026-29009critical9.82026.04per vulnerability databases
CVE-2026-15390critical9.0not statedper vulnerability databases
CVE-2026-46728high8.82026.04per vulnerability databases
CVE-2026-71971high8.82026.10-rc3per vulnerability databases
CVE-2026-74220high8.82026.10-rc5per vulnerability databases
CVE-2026-74221high8.82026.10-rc5per vulnerability databases
CVE-2026-74222high8.82026.10-rc5per vulnerability databases
CVE-2026-29008high8.72026.04per vulnerability databases
CVE-2024-42040high8.1not statedper vulnerability databases
CVE-2021-27097high7.8not statedper vulnerability databases
CVE-2021-27138high7.8not statedper vulnerability databases
CVE-2022-30790high7.8not statedper vulnerability databases
CVE-2022-33967high7.8not statedper vulnerability databases
CVE-2024-57258high7.82025.01-rc1per vulnerability databases
CVE-2022-2347high7.1not statedper vulnerability databases
CVE-2026-74225high7.12026.10-rc5per vulnerability databases
CVE-2026-29007medium6.92026.04per vulnerability databases
CVE-2024-57254medium6.82025.01-rc1per vulnerability databases
CVE-2024-57255medium6.82025.01-rc1per vulnerability databases
CVE-2024-57256medium6.82025.01-rc1per vulnerability databases
CVE-2024-57259medium6.82025.01-rc1per vulnerability databases
CVE-2025-45512medium6.5not statedper vulnerability databases
CVE-2026-71972medium6.0not statedper vulnerability databases
CVE-2022-30552medium5.5not statedper vulnerability databases
CVE-2026-71973medium5.22026.10-rc4per vulnerability databases
CVE-2026-71974medium4.32026.10-rc3per vulnerability databases
CVE-2024-57257low2.42025.01-rc1per vulnerability databases
CVE-2025-70291not ratednot ratednot statedper vulnerability databases
CVE-2025-70292not ratednot ratednot statedper vulnerability databases

Which U-Boot version do I need to upgrade to?

Fixed in U-Boot 2022.07: 1 CVE of this version.

Fixed in U-Boot 2025.01-rc1: 6 CVEs of this version.

Fixed in U-Boot 2026.04: 4 CVEs of this version.

Fixed in U-Boot 2026.10-rc3: 2 CVEs of this version.

Fixed in U-Boot 2026.10-rc4: 1 CVE of this version.

Fixed in U-Boot 2026.10-rc5: 4 CVEs of this version.

No fix version stated: 15.

What changed against U-Boot 2020.01?

3 CVEs of 2020.01 are no longer listed for 2020.04: CVE-2019-13105, CVE-2020-10648, CVE-2020-8432.

No CVE was added in 2020.04.

What does the number mean for a device?

Counted are the CVEs public sources name for U-Boot version 2020.04 (NVD, OSV, Vendor advisories). "Confirmed by the vendor" means the CVE record or advisory comes from the vendor itself and names this version as affected. Third-party records are counted but not marked as confirmed.

Whether a CVE is exploitable in a given device depends on which functions of the library the build contains and how they are configured. The list shows what is known for the version.

Licence notes of the sources: OSV: CC BY 4.0.

Questions

How many CVEs does U-Boot 2020.04 have?

As of 13 Nov 2026, 33 CVEs are known for U-Boot 2020.04, 6 critical and 14 high. 2026.04, the newest listed version, still carries 18 of them.

From which version are the CVEs of U-Boot 2020.04 fixed?

No newer listed version is free of all 33 CVEs. The "Fixed from" column names the fix version per CVE for this release line where a source states one.

Sources

  1. [1]NVD
  2. [2]OSV

Which U-Boot version is in your build?

Vendor SDKs ship their own versions. Upload the AXF, HEX or firmware image: we read the versions from the binary and match the CVEs. Report and SBOM within three working days, free. The reports are in German.