CVE-2021-3565

EUVD-2021-26875
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.9 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 36%
Affected Products (NVD)
VendorProductVersion
tpm2-tools_projecttpm2-tools
𝑥
< 4.3.2
tpm2-tools_projecttpm2-tools
5.1 ≤
𝑥
< 5.1.1
redhatenterprise_linux
8.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
tpm2-tools
bookworm
5.4-1
fixed
bullseye
5.0-2
fixed
buster
not-affected
sid
5.7-1
fixed
trixie
5.7-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
tpm2-tools
bionic
not-affected
focal
needed
groovy
ignored
hirsute
ignored
impish
ignored
jammy
needs-triage
kinetic
ignored
lunar
ignored
mantic
ignored
noble
needs-triage
trusty
dne
xenial
needs-triage