CVE-2021-0239: falha de média gravidade em Juniper Networks Junos OS Evolved
Junos OS Evolved: Denial of Service due to receipt of specific genuine layer 2 frames.
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13Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 6.5epss 0.4%
In Juniper Networks Junos OS Evolved, receipt of a stream of specific genuine Layer 2 frames may cause the Advanced Forwarding Toolkit (AFT) manager process (Evo-aftmand), responsible for handling Route, Class-of-Service (CoS), Firewall operations within the packet forwarding engine (PFE) to crash and restart, leading to a Denial of Service (DoS) condition. By continuously sending this specific stream of genuine Layer 2 frames, an attacker can repeatedly crash the PFE, causing a sustained Denial of Service (DoS). This issue affects Juniper Networks Junos OS Evolved: All versions prior to 20.4R1-EVO. This issue does not affect Junos OS versions.
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Produtos afetados
Juniper Networks · Junos OS EvolvedCVEs relacionadas — Juniper Networks Junos OS Evolved
No mesmo produto, das mais perigosas para as menos.
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Referências
https://kb.juniper.net/JSA11134