CVE-2021-3565

tpm2-tools: fixed AES wrapping key in tpm2_import

Loading…

Severity

Moderate

Red Hat Product Security

4.4

CVSS 3.1

Review impact separately from score.

Published · May 25, 2021

Updated · June 27, 2026

Description

A flaw was found in tpm2-tools. 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.

Statement

Red Hat Enterprise Linux 7 is not affected by this issue, as it ships an older version of tpm2-tools which does not include the tpm2_import tool.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 4.4
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

CWE-798 · Use of Hard-coded Credentials