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Vulnerability of Junos OS EX/QFX: privilege escalation via user-vlan-id

Synthesis of the vulnerability 

An attacker can bypass restrictions via user-vlan-id of Junos OS EX/QFX, in order to escalate his privileges.
Impacted products: Juniper EX-Series, Junos OS, QFX-Series.
Severity of this bulletin: 2/4.
Creation date: 28/10/2020.
Références of this threat: CERTFR-2020-AVI-690, CVE-2020-1685, JSA11082, VIGILANCE-VUL-33723.

Description of the vulnerability 

An attacker can bypass restrictions via user-vlan-id of Junos OS EX/QFX, in order to escalate his privileges.
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This vulnerability announce impacts software or systems such as Juniper EX-Series, Junos OS, QFX-Series.

Our Vigil@nce team determined that the severity of this cybersecurity threat is medium.

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

An attacker with a expert ability can exploit this computer threat bulletin.

Solutions for this threat 

Junos OS EX/QFX: fixed versions for user-vlan-id.
Fixed versions are indicated in information sources.
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