Description
Cisco Catalyst SD-WAN Manager和Cisco Catalyst SD-WANController存在授权问题漏洞，该漏洞源于对等身份验证机制工作异常，可能导致未经验证的攻击者绕过身份验证并获取管理权限。
Cisco Catalyst SD-WAN身份验证绕过漏洞
PoC
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https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-rpa-EHchtZk
https://nvd.nist.gov/vuln/detail/CVE-2026-20127
https://arcticwolf.com/resources/blog-uk/cve-2026-20127-cisco-catalyst-sd-wan-controller-authentication-bypass-vulnerability/
https://blog.talosintelligence.com/uat-8616-sd-wan/
https://www.tenable.com/blog/cve-2026-20127-cisco-catalyst-sd-wan-controllermanager-zero-day-authentication-bypass
https://hadrian.io/blog/cisco-catalyst-sd-wan-authentication-bypass-exploited-in-the-wild-cve-2026-20127
https://github.com/BugFor-Pings/CVE-2026-20127_EXP
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-20127
https://socprime.com/blog/cve-2026-20127-vulnerability/
https://www.runzero.com/blog/cisco-catalyst-sd-wan/
https://www.sentinelone.com/vulnerability-database/cve-2026-20129/
https://da.taichung.gov.tw/3249624/post
https://www.ithome.com.tw/news/174227