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Vulnerability of Junos OS: denial of service via Ethernet OAM

Synthesis of the vulnerability 

An attacker can send malicious Ethernet OAM packets to Junos OS, in order to trigger a denial of service.
Vulnerable products: Juniper EX-Series, Juniper J-Series, Junos OS, MX-Series, PTX-Series, QFX-Series, SRX-Series.
Severity of this weakness: 2/4.
Creation date: 09/04/2020.
Références of this bulletin: CERTFR-2020-AVI-198, CVE-2020-1639, JSA11020, VIGILANCE-VUL-31980.

Description of the vulnerability 

An attacker can send malicious Ethernet OAM packets to Junos OS, in order to trigger a denial of service.
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This security 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 cybersecurity 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 vulnerability alert.

Solutions for this threat 

Junos OS: fixed versions for Ethernet OAM.
Fixed versions are indicated in information sources.
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