安全研究

安全漏洞
Cisco Catalyst Digital Building Series Switches任意代码执行漏洞(CVE-2022-20661)

发布日期:2022-04-13
更新日期:2022-06-08

受影响系统:
Cisco Cisco Catalyst Digital Building Series Switches
Cisco Cisco Catalyst Micro Switches
描述:
CVE(CAN) ID: CVE-2022-20661

Cisco Catalyst Digital Building Series Switches是美国思科(Cisco)公司的一系列数字楼宇交换机。
Cisco Catalyst Digital Building Series Switches和Cisco Catalyst Micro Switches的引导加载程序存在拒绝服务漏洞,该漏洞源于其内部Cisco development引导加载程序中包含的功能超出了正常引导加载程序的功能。未经身份验证的攻击者可利用该漏洞永久阻止设备引导,从而导致拒绝服务。

<*链接:https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cdb-cmicr-vulns-KJjFt
*>

建议:
厂商补丁:

Cisco
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Cisco已经为此发布了一个安全公告(cisco-sa-cdb-cmicr-vulns-KJjFtNb)以及相应补丁:
cisco-sa-cdb-cmicr-vulns-KJjFtNb:Cisco Catalyst Digital Building Series Switches and Cisco Catalyst Micro Switches Vulnerabilities
链接:https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cdb-cmicr-vulns-KJjFtNb

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