CVEvulnerability

CVE-2021-3565

5.9 MEDIUM Published 2021-06-04 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-06-04
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
5.9 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS 2.0 ([email protected])
4.3 MEDIUM — AV:N/AC:M/Au:N/C:P/I:N/A:N
Weaknesses
CWE-665, CWE-798

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.

Affected configurations

• tpm2-tools project tpm2-tools (< 4.3.2) • tpm2-tools project tpm2-tools (>= 5.1 < 5.1.1) • redhat enterprise linux 8.0 • fedoraproject fedora 33 • fedoraproject fedora 34

Related

Weakness · CWE (2)

  • CWE-665 Improper Initialization weakness
  • CWE-798 Use of Hard-coded Credentials weakness

References