Dashboard / CVE-2023-51384

CVE-2023-51384

MEDIUM
MEDIUM Priority: 0.02 BB Relevance: 36/100
Published: 2023-12-18 Modified: 2026-11-10 First seen: 2026-11-10 Status: active

Attack Surface

Low Complexity No Interaction Conf. Impact

CVSS Vector Breakdown

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

Description

In ssh-agent in OpenSSH before 9.6, certain destination constraints can be incompletely applied. When destination constraints are specified during addition of PKCS#11-hosted private keys, these constraints are only applied to the first key, even if a PKCS#11 token returns multiple keys.

Weakness Classification (1)

Affected Software (4)

VendorProductVersion
debian debian_linux 11.0
debian debian_linux 12.0
n/a n/a n/a
openbsd openssh 8.9 – 9.6

References & Advisories (12)

Bug Bounty Relevance

36 / 100
✓ Low complexity
✓ No user interaction

CVSS Score

5.5 / 10.0 v3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

EPSS — Exploitation Probability

0.43%
Raw Score 0.004260
Percentile 37.4%
Date 2026-11-13

EPSS Trend

2026-11-13
0.00426
2026-11-12
0.00426
2026-11-10
0.00426
2026-11-09
0.00426

Intelligence Sources

mitre ref →
nvd ref →

External Links