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CVE-2023-28531

Published: Mar 17, 2023Updated: May 28, 2026 Sources: CVE List NVD BDU csafNVD-CWE-noinfo
NVD MITRE
9.8CVSSCRITICAL
EPSS Score
2.1%
Top 20.4%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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 Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

NVD-CWE-noinfoCWE-284

Affected Products

n/an/a
Astra Linux Special EditionООО «РусБИТех-Астра»
On-premOS
Operating Systems / linux-distro
OpenSSHOpenBSD Project
LibraryLibrary
OSS Libraries / generic-library
ОСОН ОСнова ОnyxАО «НППКТ»
On-premOS
Operating Systems / linux-distro
opensshopenbsd
LibraryLibrary
OSS Libraries / generic-library
ооо «русбитех-астра»commercialRUOperating Systemsaka rusbitech-astra
openbsd projectoss-projectUSOperating Systemsaka openbsd
ао «нппкт»commercialRUOperating Systems
openbsdoss-projectCAOperating Systemsaka openbsd
and 3 more affected products View all →

Exploitability

Official Patch Available

References

https://www.openwall.com/lists/oss-security/2023/03/15/8
openwall.com
https://security.netapp.com/advisory/ntap-20230413-0008/
security.netapp.com
https://security.gentoo.org/glsa/202307-01
security.gentoo.org
and 252 more references View all →

Timeline

Published
Mar 17, 2023
Last Updated
May 28, 2026

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