CVE detail
CVE-2026-20182: Cisco Catalyst SD-WAN Controller Authentication Bypass Vulnerability
Source: CISA Known Exploited Vulnerabilities catalog · back to feed
Vendor / product
Cisco · Catalyst SD-WAN
- Date added (KEV)
- May 14, 2026
- CISA due date
- May 17, 2026
- Ransomware campaign use
- Unknown
Required action
Please adhere to CISA’s guidelines to assess exposure and mitigate risks associated with Cisco SD-WAN devices as outlined in CISA’s Emergency Directive 26-03 (URL listed below in Notes) and CISA’s Hunt & Hardening Guidance for Cisco SD-WAN Devices (URL listed below in Notes). Adhere to the applicable BOD 22-01 guidance for cloud services or discontinue use of the product if mitigations are not available.
Vendor fix: Vendor advisory
Scorifya interpretation
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Plain English
Technical detail
From CISA
Cisco Catalyst SD-WAN Controller & Manager contain an authentication bypass vulnerability that allows an unauthenticated, remote attacker to bypass authentication and obtain administrative privileges on an affected system.
CISA Mitigation Instructions: https://www.cisa.gov/news-events/directives/ed-26-03-mitigate-vulnerabilities-cisco-sd-wan-systems ; https://www.cisa.gov/news-events/directives/supplemental-direction-ed-26-03-hunt-and-hardening-guidance-cisco-sd-wan-systems ; https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-rpa2-v69WY2SW ; https://nvd.nist.gov/vuln/detail/CVE-2026-20182
See what attackers can see on your domain
This vulnerability is on CISA's Known Exploited Vulnerabilities list, so it is being exploited in the wild right now. Scorifya can't test for Cisco directly, but in about 30 seconds it shows what your own domain exposes publicly across TLS, security headers, DNS, and cookies: the surface attackers probe first.
SOC 2 compliance
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See Scorifya Controls →References
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-rpa2-v69WY2SWVendor Advisory
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-rpa-EHchtZkNot Applicable
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-20182US Government Resource
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- CVE-2026-20245Catalyst SD-WAN Manager, Cisco Catalyst SD-WAN Manager Improper Encoding or Escaping of Output Vulnerability
- CVE-2026-20122Catalyst SD-WAN Manger, Cisco Catalyst SD-WAN Manager Incorrect Use of Privileged APIs Vulnerability
- CVE-2026-20128Catalyst SD-WAN Manager, Cisco Catalyst SD-WAN Manager Storing Passwords in a Recoverable Format Vulnerability