CVE-2021-3565

    Dashboard / Vulnerabilities / CVE-2021-3565

    CVE-2021-3565

    Published: 4 Jun 2021Last Modified: 8 Jul 2026

    Summary:

    Details: 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.

    References: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ESY6HRYUKR5ZG2K5QAJQC5S6HMKZMFK7/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XK5M7I66PBXSN663TSLAZ3V6TWWFCV7C/, https://bugzilla.redhat.com/show_bug.cgi?id=1964427

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -4bcbebc852d9849c9f1784880db2accc2eb1a3bf

    Affected versions

    4.3.2-rc0
    4.3.1
    4.3.1-rc0
    4.3.0
    4.3.0-rc1
    4.3.0-rc0

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2021-3565 | CVE-DB