CRITICAL · 9.8

CVE-2023-28531

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.

Vulnerability 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.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
OpenbsdOpenssh>= 8.9, < 9.3
NetappBrocade Fabric Operating System-
NetappHci Bootstrap Os-
NetappSolidfire Element Os-

References

FAQ

What is CVE-2023-28531?

CVE-2023-28531 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 severe is CVE-2023-28531?

CVE-2023-28531 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2023-28531?

Check the references section above for vendor advisories and patch information. Affected products include: Openbsd Openssh, Netapp Brocade Fabric Operating System, Netapp Hci Bootstrap Os, Netapp Solidfire Element Os.