Alert
Cisco Catalyst SD-WAN Controller Authentication Bypass Vulnerability
Cisco Catalyst SD-WAN Controller & Manager contain an authentication bypass vulnerability that allows an unauthenticated, remote attacker to bypass aut
Security · HIGH
Full content
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.
Vendor: Cisco
Product: Catalyst SD-WAN
Due date: 2026-05-17
Known ransomware use: Unknown
Why it matters
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.
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