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U-Boot contains a CWE-20: Improper Input Validation vulnerability in Verified boot…

Priority LOW 26CWE-20Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · High · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

U-Boot contains a CWE-20: Improper Input Validation vulnerability in Verified boot signature validation that can result in Bypass verified boot. This attack appear to be exploitable via Specially crafted FIT image and special device memory functionality.

Why it matters now

EPSS 0.00719 54th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:denx:u-boot:*:*:*:*:*:*:*:*up to 2018.07Vulnerableu-boot
  • cpe:2.3:a:denx:u-boot:*:*:*:*:*:*:*:* Versions up to 2018.07 Vulnerable ·u-boot

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-1000205
  2. 2026-10-03 Alias added: GHSA-8frp-j862-qcw3

References

  • TI-2022-02168 Unchecked Download size in Uboot CVSS 3.1HIGH 7.7
  • TI-2025-28794 A lack of signature verification in the bootloader of DENX Software Engineering Das… CVSS 3.1MEDIUM 6.5
  • TI-2020-06770 In Das U-Boot through 2020.01, a double free has been found in the cmd/gpt.c… CVSS 3.1CRITICAL 9.8
  • TI-2022-12898 nfs_lookup_reply in net/nfs.c in Das U-Boot through 2022.04 (and through 2022.07-rc2) has… CVSS 3.1CRITICAL 9.8
  • TI-2019-10569 An issue was discovered in Das U-Boot through 2019.07. CVSS 3.0CRITICAL 9.8
  • TI-2019-10568 An issue was discovered in Das U-Boot through 2019.07. CVSS 3.0CRITICAL 9.8
See all 48 →

Sources