VULNERABILITY INTELLIGENCE

CVE-2021-3565

CVSS score5.9 MEDIUM
EPSS probability1.33%
CISA KEVNot currently listed
Published2021-06-04
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

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.

Weakness classification

  • secalert@redhat.com: CWE-665
  • nvd@nist.gov: CWE-798

Primary references