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I. Basic Information for CVE-2021-0233
Vulnerability Information

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Vulnerability Title
Junos OS: ACX500 Series, ACX4000 Series: Denial of Service due to FFEB crash while processing high rate of specific packets.
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability in Juniper Networks Junos OS ACX500 Series, ACX4000 Series, may allow an attacker to cause a Denial of Service (DoS) by sending a high rate of specific packets to the device, resulting in a Forwarding Engine Board (FFEB) crash. Continued receipt of these packets will sustain the Denial of Service (DoS) condition. This issue affects Juniper Networks Junos OS on ACX500 Series, ACX4000 Series: 17.4 versions prior to 17.4R3-S2.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
对特殊元素的多个实例的过滤不完全
Source: NVD (National Vulnerability Database)
Vulnerability Title
Juniper Networks Junos OS 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Juniper Networks Junos OS是美国瞻博网络(Juniper Networks)公司的一套专用于该公司的硬件设备的网络操作系统。该操作系统提供了安全编程接口和Junos SDK。 Juniper Networks Junos OS 存在资源管理错误漏洞,该漏洞源于在对特定报文进行高速率处理时,内部资源管理不当造成的。远程攻击者可以通过特别设计的流量到系统,并使Fonwarding Engine Board (FFEB)崩溃。该漏洞允许远程攻击者执行拒绝服务(DoS)攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
Juniper NetworksJunos OS 17.4 ~ 17.4R3-S2 -
II. Public POCs for CVE-2021-0233
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III. Intelligence Information for CVE-2021-0233
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