CVE-2023-28531

critical

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.

References

https://www.debian.org/security/2023/dsa-5586

https://security.netapp.com/advisory/ntap-20230413-0008/

https://security.gentoo.org/glsa/202307-01

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AN2UDTXEUSKFIOIYMV6JNI5VSBMYZOFT/

https://cert-portal.siemens.com/productcert/html/ssa-019113.html

https://www.cisa.gov/news-events/ics-advisories/icsa-25-162-05

https://github.com/GiovanniBBenedetti/scan-cve-surface

https://github.com/AryanWaghere24/Syntecxhub_CVE_Scanner

https://www.openwall.com/lists/oss-security/2023/03/15/8

https://lists.fedoraproject.org/archives/list/[email protected]/message/AN2UDTXEUSKFIOIYMV6JNI5VSBMYZOFT/

https://cert-portal.siemens.com/productcert/html/ssa-082556.html

Details

Source: Mitre, NVD

Published: 2023-03-17

Updated: 2026-07-14

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.8

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