CVE-2021-3565

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CVSS 3.1

5.9 medium

EPSS

1%p69

Published

Jun 4, 2021 (Jun 4, 2021)

Modified

Jun 17, 2026

Description

A flaw was found in tpm2-tools in versions before 5.1.1 and before 4.3.2. tpm2_import used a fixed AES key for the inner wrapper, potentially allowing a MITM attacker to unwrap the inner portion and reveal the key being imported. The highest threat from this vulnerability is to data confidentiality.

Vendors: tpm2-tools project redhat fedoraproject
Products: tpm2-tools, enterprise linux, fedora
Weakness: CWE-665, CWE-798
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

NVD CVE.org GitHub PoCs EPSS (1.3%)

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