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Vulnerability of Junos OS EX/QFX: overload via Virtual Chassis Layer 2 Frames

Synthesis of the vulnerability 

An attacker can trigger an overload via Virtual Chassis Layer 2 Frames of Junos OS EX/QFX, in order to trigger a denial of service.
Vulnerable software: Juniper EX-Series, Junos OS, QFX-Series.
Severity of this announce: 2/4.
Creation date: 28/10/2020.
Références of this computer vulnerability: CERTFR-2020-AVI-690, CVE-2020-1689, JSA11086, VIGILANCE-VUL-33727.

Description of the vulnerability 

An attacker can trigger an overload via Virtual Chassis Layer 2 Frames of Junos OS EX/QFX, in order to trigger a denial of service.
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This vulnerability impacts software or systems such as Juniper EX-Series, Junos OS, QFX-Series.

Our Vigil@nce team determined that the severity of this security announce 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 vulnerability note.

Solutions for this threat 

Junos OS EX/QFX: fixed versions for Virtual Chassis Layer 2 Frames.
Fixed versions are indicated in information sources.
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