CVE-2023-28531
criticalssh-add in OpenSSH before 9.3 adds smartcard keys to ssh-agent without the intended per-hop destination constraints.
Vendor / product: Openbsd — openssh
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
9.8
9.8 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Severity source: NVD CVSS v3.1 (nvd@nist.gov)
Timeline (UTC)
Published: 2023-03-17 04:15
Modified: 2026-10-14 23:17
NVD status: Modified
Last synced 1 day ago
Verified against the source API 2026-10-27 07:06 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
openbsd / openssh ≥8.9 <9.3
netapp / brocade_fabric_operating_system all versions
netapp / hci_bootstrap_os all versions
netapp / solidfire_element_os all versions
Weakness classification (CWE)
NVD-CWE-noinfo CWE-284
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/m... cve@mitre.org
- https://security.gentoo.org/glsa/202307-01 cve@mitre.org
- https://security.netapp.com/advisory/ntap-20230413-0008/ cve@mitre.org
- https://www.debian.org/security/2023/dsa-5586 cve@mitre.org
- https://www.openwall.com/lists/oss-security/2023/03/15/8 cve@mitre.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/m... af854a3a-2127-422b-91ae-364da2661108
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/mes... af854a3a-2127-422b-91ae-364da2661108
- https://security.gentoo.org/glsa/202307-01 af854a3a-2127-422b-91ae-364da2661108
- https://security.netapp.com/advisory/ntap-20230413-0008/ af854a3a-2127-422b-91ae-364da2661108
- https://www.debian.org/security/2023/dsa-5586 af854a3a-2127-422b-91ae-364da2661108
- https://www.openwall.com/lists/oss-security/2023/03/15/8 af854a3a-2127-422b-91ae-364da2661108
- https://cert-portal.siemens.com/productcert/html/ssa-019113.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
- https://cert-portal.siemens.com/productcert/html/ssa-082556.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
- https://cert-portal.siemens.com/productcert/html/ssa-457936.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 07:06 UTC · record ↗