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VULNERABILITIES

CVE-2021-3565 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.9 MEDIUMVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://bugzilla.redhat.com/show_bug.cgi?id=1964427 CVEIssue TrackingPatchThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ESY6HRYUKR5ZG2K5QAJQC5S6HMKZMFK7/ CVE
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XK5M7I66PBXSN663TSLAZ3V6TWWFCV7C/ CVE
https://bugzilla.redhat.com/show_bug.cgi?id=1964427 [email protected]Issue TrackingPatchThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ESY6HRYUKR5ZG2K5QAJQC5S6HMKZMFK7/ [email protected]

see all 6 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-798Use of Hard-coded Credentials[email protected]
CWE-665Improper Initialization[email protected]

Affected Products

ProductVersions
tpm2-tools project tpm2-tools
< 4.3.2
>= 5.1, < 5.1.1

CPE

  • cpe:2.3:a:tpm2-tools_project:tpm2-tools:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
redhat enterprise linux
8.0

CPE

  • cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
fedoraproject fedora
33
34

CPE

  • cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
  • cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

8 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2021-3565
NVD Published Date:
Jun 4, 2021
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2021-3565 Details - Not Deferred