CVE-2026-20182: Cisco Catalyst SD-WAN Controller Authentication Bypass Vulnerability

Vereiste actie (tekst van CISA, Engels)

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.

Beschrijving (NVD, Engels)

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.

BRONNEN

• CISA KEVCISA Known Exploited Vulnerabilities catalog

Andere lekken bij Cisco

• CVE-2026-20320: Cisco BroadWorks Improper Restriction of XML External Entity Reference Vulnerability
• CVE-2026-76418: Cisco Secure Firewall ASA Software and Cisco Secure FTD Software Unchecked Return Value to NULL Pointer Dereference Vulnerability
• CVE-2026-76519: Cisco Secure Email Gateway Relative Path Traversal Vulnerability
• CVE-2026-76504: Cisco Catalyst SD-WAN Manager Hex Encoding Vulnerability
• CVE-2026-76460: Cisco Identity Services Engine Incorrect Use of Privileged APIs Vulnerability

Gegevens van NVD, CISA KEV, FIRST EPSS en adviezen van leveranciers. Bijgewerkt 10 nov 2026.