CVE-2018-0053

vSRX Series: A local authentication vulnerability may lead to full control of a vSRX instance while the system is booting.

Published Oct 10, 2018 CVSS 3.0 · 6.8 Medium EPSS < 1% KEV · Not listed
Description
An authentication bypass vulnerability in the initial boot sequence of Juniper Networks Junos OS on vSRX Series may allow an attacker to gain full control of the system without authentication when the system is initially booted up. Affected releases are Juniper Networks Junos OS: 15.1X49 versions prior to 15.1X49-D30 on vSRX.

Remediation

Vendor Solution

The following software releases have been updated to resolve this specific issue: Junos OS 15.1X49-D30, and all subsequent releases.


Vendor Workaround

There are no viable workarounds for this issue. Methods which may reduce, but not eliminate, the risk for exploitation of this problem, and which does not resolve the underlying problem include: • Restrict access to the hypervisor to only trusted administrators. • Disallow all access to the 'physical instance' of the vSRX instance while it is initially booting by disabling connectivity to devices hosting the instance; e.g. console servers, etc.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2018-0877 An authentication bypass vulnerability in the initial boot sequence of Juniper Networks Junos OS on vSRX Series may allow an attacker to gain full control of the system without authentication when the system is initially booted up. Affected releases are Juniper Networks Junos OS: 15.1X49 versions prior to 15.1X49-D30 on vSRX.
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
juniper
Published
Updated
Sep 17, 2024, 3:07 AM
Reserved
Nov 16, 2017, 12:00 AM
Status
Modified
Published
Oct 10, 2018, 6:29 PM
Modified
Jun 17, 2026, 1:29 AM