Access Restriction Bypass Affecting openssh package, versions *


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
4.52% (92nd percentile)

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  • Snyk IDSNYK-RHEL10-OPENSSH-22218034
  • published5 Nov 2026
  • disclosed1 Jul 2015

Introduced: 1 Jul 2015

CVE-2015-5352  (opens in a new tab)
CWE-264  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:10 openssh.

NVD Description

Note: Versions mentioned in the description apply only to the upstream openssh package and not the openssh package as distributed by RHEL. See How to fix? for RHEL:10 relevant fixed versions and status.

The x11_open_helper function in channels.c in ssh in OpenSSH before 6.9, when ForwardX11Trusted mode is not used, lacks a check of the refusal deadline for X connections, which makes it easier for remote attackers to bypass intended access restrictions via a connection outside of the permitted time window.

CVSS Base Scores

version 3.1