IM
IronMonkey Threat Research

CVE-2023-28531 CRITICAL

Published: 2023-03-17 | Last Modified: 2026-07-14 | Status: Modified

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 Metrics

Base Score: 9.8 (CRITICAL)

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredNONE
User InteractionNONE
ScopeUNCHANGED
Confidentiality ImpactHIGH
Integrity ImpactHIGH
Availability ImpactHIGH

Source: [email protected]

Type: Primary

Exploitability Score: 3.9

Impact Score: 5.9

Weaknesses

Source Type Description
[email protected] Primary
en NVD-CWE-noinfo
134c704f-9b21-4f2e-91b3-4a467353bcc0 Secondary
en CWE-284

Affected Products

Vendor Product Version Update Type
openbsd openssh * <built-in method update of dict object at 0x702bde535fc0> Application
netapp brocade_fabric_operating_system - <built-in method update of dict object at 0x702ba6ed9740> Operating System
netapp hci_bootstrap_os - <built-in method update of dict object at 0x702bdd7d46c0> Operating System
netapp solidfire_element_os - <built-in method update of dict object at 0x702bdc40d5c0> Operating System

Affected Configurations

Operator: OR

Vulnerable CPE
Yes cpe:2.3:a:openbsd:openssh:*:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:netapp:brocade_fabric_operating_system:-:*:*:*:*:*:*:*
Yes cpe:2.3:o:netapp:hci_bootstrap_os:-:*:*:*:*:*:*:*
Yes cpe:2.3:o:netapp:solidfire_element_os:-:*:*:*:*:*:*:*

References

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