VDB
CVE-2021-3565
CVE-2021-3565
PUBLISHED
CVSS 5.900000095367432 MEDIUM
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.
EPSS 1.33% · 69.9th percentile
Risk Scores
CVSS 3.1
5.900000095367432
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS Score
1.33%
69.9th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:22.04:LTS | tpm2-tools | 5.2-1, 5.2-1build1, 0 |
| Ubuntu:24.04:LTS | tpm2-tools | 0, 5.6-1build1, 5.6-1 |
| Ubuntu:20.04:LTS | tpm2-tools | 0, 3.1.3-2, 4.0.1-1 |
| Ubuntu:16.04:LTS | tpm2-tools | 0, 1.0.0+20160226.64b3334-0ubuntu1, * |
| Ubuntu:25.10 | tpm2-tools | 5.7-1, 0 |
Timeline
- Jun 4, 2021 CVE Published
- Jun 5, 2021 EPSS Score
- Aug 7, 2021 EPSS Score
- Oct 8, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Feb 8, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- Apr 10, 2022 EPSS Score
- Jun 11, 2022 EPSS Score
- Oct 13, 2022 EPSS Score
- Dec 13, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2021-3565 third-party-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1964427 third-party-advisory
- https://github.com/tpm2-software/tpm2-tools/issues/2738 third-party-advisory
- https://github.com/tpm2-software/tpm2-tools/commit/c069e4f179d5e6653a84fb236816c375dca82515 third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2021-3565 third-party-advisory