CVE-2021-3565
5.9 MEDIUMA flaw was found in tpm2-tools in versions before 5.1.1 and before 4.3.2
Published: 2021-06-04 · Last updated: 2026-06-17
Severity and scoring
- CVSS
- 5.9 MEDIUM
- Vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
- CWE
- CWE-665, CWE-798
Affected products
| Vendor | Product |
|---|---|
| fedoraproject | enterprise_linux, fedora, tpm2-tools |
| redhat | enterprise_linux, fedora, tpm2-tools |
| tpm2-tools_project | enterprise_linux, fedora, tpm2-tools |
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.
Source: NVD
References
- [NVD]https://nvd.nist.gov/vuln/detail/CVE-2021-3565
- [Patch]https://bugzilla.redhat.com/show_bug.cgi?id=1964427
- [Other]https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ESY6HRYUKR5ZG2K5QAJQC5S6HMKZMFK7/
- [Other]https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XK5M7I66PBXSN663TSLAZ3V6TWWFCV7C/
- [Patch]https://bugzilla.redhat.com/show_bug.cgi?id=1964427
- [Other]https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ESY6HRYUKR5ZG2K5QAJQC5S6HMKZMFK7/
- [Other]https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XK5M7I66PBXSN663TSLAZ3V6TWWFCV7C/
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