CVE-2021-3623
6.1
MEDIUM
CVSS 3.1
EPSS 0.05%
Description
A flaw was found in libtpms. The flaw can be triggered by specially-crafted TPM 2 command packets containing illegal values and may lead to an out-of-bounds access when the volatile state of the TPM 2 is marshalled/written or unmarshalled/read. The highest threat from this vulnerability is to system availability.
How to fix CVE-2021-3623
To remediate CVE-2021-3623, upgrade the affected package to a fixed version below.
- Debian/libtpms—upgrade to 0.9.1-1 or later
Is CVE-2021-3623 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 0.9.1-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.1 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H |