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TI-2020-09376 Aliases CVE-2020-11684GHSA-233h-674c-hxmw

AT91bootstrap before 3.9.2 does not properly wipe encryption and authentication keys from…

Priority MEDIUM 41CWE-212Published · Updated

Key facts

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

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

Summary

AT91bootstrap before 3.9.2 does not properly wipe encryption and authentication keys from memory before passing control to a less privileged software component. This can be exploited to disclose these keys and subsequently encrypt and sign the next boot stage (such as the bootloader).

Why it matters now

EPSS 0.01077 65th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
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:linux4sam:at91bootstrap:*:*:*:*:*:*:*:*3.7.2 to before 3.9.2VulnerableLinux4sam
  • cpe:2.3:a:linux4sam:at91bootstrap:*:*:*:*:*:*:*:* Versions 3.7.2 to before 3.9.2 Vulnerable ·Linux4sam

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-11684
  2. 2026-10-03 Alias added: GHSA-233h-674c-hxmw

References

Exploit 1

Patch 1

  • TI-2020-09375 A timing side channel was discovered in AT91bootstrap before 3.9.2. CVSS 3.1MEDIUM 6.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences