CVE-2023-28531
9.8
CRITICAL
CVSS 3.1
EPSS 0.17%
Description
ssh-add in OpenSSH before 9.3 adds smartcard keys to ssh-agent without the intended per-hop destination constraints. The earliest affected version is 8.9.
How to fix CVE-2023-28531
To remediate CVE-2023-28531, upgrade the affected package to a fixed version below.
- Alpine/openssh—upgrade to 9.0_p1-r3 or later
- Debian/openssh—upgrade to 1:9.2p1-2+deb12u2 or later
Is CVE-2023-28531 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 9.0_p1-r3
- from 0, < 1:9.2p1-2+deb12u2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |