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CVE-2021-1230— Cisco Nexus 9000 Series Fabric Switches 安全漏洞

一分钟漏洞结论

影响对象
Cisco Cisco NX-OS System Software in ACI Mode
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。

Cisco Nexus 9000 Series Fabric Switches是美国思科（Cisco）公司的一款9000系列光纤交换机。 Cisco Nexus 9000 Series Fabric Switches 存在安全漏洞，该漏洞允许未经身份验证的远程攻击者导致路由进程崩溃。

CVSS 8.6 · High EPSS 1.53% · P74
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一、 漏洞 CVE-2021-1230 基础信息

漏洞信息
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Vulnerability Title
Cisco Nexus 9000 Series Fabric Switches ACI Mode BGP Route Installation Denial of Service Vulnerability
来源: CVE Program / CVE List V5
Vulnerability Description
A vulnerability with the Border Gateway Protocol (BGP) for Cisco Nexus 9000 Series Fabric Switches in Application Centric Infrastructure (ACI) mode could allow an unauthenticated, remote attacker to cause a routing process to crash, which could lead to a denial of service (DoS) condition. This vulnerability is due to an issue with the installation of routes upon receipt of a BGP update. An attacker could exploit this vulnerability by sending a crafted BGP update to an affected device. A successful exploit could allow the attacker to cause the routing process to crash, which could cause the device to reload. This vulnerability applies to both Internal BGP (IBGP) and External BGP (EBGP). Note: The Cisco implementation of BGP accepts incoming BGP traffic from explicitly configured peers only. To exploit this vulnerability, an attacker would need to send a specific BGP update message over an established TCP connection that appears to come from a trusted BGP peer.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
来源: CVE Program / CVE List V5
Vulnerability Type
参数问题
来源: CVE Program / CVE List V5
Vulnerability Title
Cisco Nexus 9000 Series Fabric Switches 安全漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
Cisco Nexus 9000 Series Fabric Switches是美国思科（Cisco）公司的一款9000系列光纤交换机。 Cisco Nexus 9000 Series Fabric Switches 存在安全漏洞，该漏洞允许未经身份验证的远程攻击者导致路由进程崩溃。
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD

受影响产品

厂商 产品 影响版本 CPE 订阅
Cisco Cisco NX-OS System Software in ACI Mode n/a -

二、漏洞 CVE-2021-1230 的公开POC

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三、漏洞 CVE-2021-1230 的情报信息

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CVE-2021-1230 厂商安全公告 (1)

同批安全公告 · Cisco · 2021-02-24 · 共 13 条

CVE-2021-1388 10.0 CRITICAL Cisco ACI Multi-Site Orchestrator 安全漏洞
CVE-2021-1361 9.8 CRITICAL Cisco Nexus 3000 Series Switches and Cisco Nexus 9000 Series Switches 安全漏洞
CVE-2021-1393 9.8 CRITICAL Cisco Application Services Engine 访问控制错误漏洞
CVE-2021-1396 9.8 CRITICAL Cisco Application Services Engine 访问控制错误漏洞
CVE-2021-1368 8.8 HIGH Cisco FXOS Software and Cisco NX-OS Software 缓冲区错误漏洞
CVE-2021-1387 8.6 HIGH Cisco NX-OS Software 安全漏洞
CVE-2021-1228 7.4 HIGH Cisco Application Policy Infrastructure Controller和Cisco Nexus 9000 Series Fabric Switches
CVE-2021-1229 5.8 MEDIUM Cisco NX-OS Software 安全漏洞
CVE-2021-1450 5.5 MEDIUM Cisco Anyconnect Secure Mobility Client 输入验证错误漏洞
CVE-2021-1231 4.7 MEDIUM Cisco Nexus 9000 Series Fabric 访问控制错误漏洞
CVE-2021-1367 4.3 MEDIUM Cisco NX-OS Software 输入验证错误漏洞
CVE-2021-1227 Cisco NX-OS Software 跨站请求伪造漏洞

IV. Related Vulnerabilities

Same product: Cisco NX-OS System Software in ACI Mode
Same vendor: Cisco
Same weakness: CWE-233

V. Comments for CVE-2021-1230

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