Dashboard / CVE-2023-28531

CVE-2023-28531

CRITICAL
INFO Priority: 0.29 BB Relevance: 80/100
Published: 2023-03-17 Modified: 2026-11-10 First seen: 2026-11-10 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
S: Unchanged
C: High
I: High
A: High

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.

Weakness Classification (1)

Affected Software (5)

VendorProductVersion
n/a n/a n/a
netapp brocade_fabric_operating_system -
netapp hci_bootstrap_os -
netapp solidfire_element_os -
openbsd openssh 8.9 – 9.3

References & Advisories (9)

Bug Bounty Relevance

80 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

9.8 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS — Exploitation Probability

2.99%
Raw Score 0.029900
Percentile 87.5%
Date 2026-11-12

EPSS Trend

2026-11-12
0.02990
2026-11-10
0.02990
2026-11-09
0.02990

Intelligence Sources

mitre ref →
nvd ref →

External Links