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Vulnerability of Junos OS Evolved: privilege escalation via Ignored Log-out-on-disconnect

Synthesis of the vulnerability 

An attacker can bypass restrictions via Ignored Log-out-on-disconnect of Junos OS Evolved, in order to escalate his privileges.
Vulnerable software: Juniper EX-Series, Juniper J-Series, Junos OS, MX-Series, PTX-Series, QFX-Series, SRX-Series.
Severity of this announce: 1/4.
Creation date: 15/10/2020.
Références of this computer vulnerability: CERTFR-2020-AVI-645, CVE-2020-1666, JSA11063, VIGILANCE-VUL-33583.

Description of the vulnerability 

An attacker can bypass restrictions via Ignored Log-out-on-disconnect of Junos OS Evolved, in order to escalate his privileges.
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This weakness bulletin impacts software or systems such as Juniper EX-Series, Juniper J-Series, Junos OS, MX-Series, PTX-Series, QFX-Series, SRX-Series.

Our Vigil@nce team determined that the severity of this computer weakness is low.

The trust level is of type confirmed by the editor, with an origin of physical access.

An attacker with a expert ability can exploit this vulnerability announce.

Solutions for this threat 

Junos OS Evolved: fixed versions for Ignored Log-out-on-disconnect.
Fixed versions are indicated in information sources.
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