CVE-2023-28531

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

17/03/2023

Last modified:

04/11/2025

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.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 9.80 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x

9.80

Severity 3.x

CRITICAL

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:openbsd:openssh::::::::	8.9 (including)	9.3 (excluding)
cpe:2.3:o:netapp:brocade_fabric_operating_system:-:::::::*
cpe:2.3:o:netapp:hci_bootstrap_os:-:::::::*
cpe:2.3:o:netapp:solidfire_element_os:-:::::::*

To consult the complete list of CPE names with products and versions, see this page

CVE-2023-28531

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools