CVE-2026-20133 - Cisco Catalyst SD-WAN Manager Exposure of Sensitive Information to an Unauthorized Actor Vulnerability
Project:Cisco
Product:Catalyst SD-WAN Manager
Date Added:2026-04-20Due Date:2026-04-23
Vulnerability Name
Cisco Catalyst SD-WAN Manager Exposure of Sensitive Information to an Unauthorized Actor Vulnerability
Description
Cisco Catalyst SD-WAN Manager contains an exposure of sensitive information to an unauthorized actor vulnerability that could allow remote attackers to view sensitive information on affected systems.
Known To Be Used in Ransomware Campaigns?
Unknown
Action
Please adhere to CISA’s guidelines to assess exposure and mitigate risks associated with Cisco SD-WAN devices as outlines 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.
Additional Notes
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-authbp-qwCX8D4v
https://nvd.nist.gov/vuln/detail/CVE-2026-20133
Related News Articles
CISA Adds Cisco SD-WAN CVE-2026-20182 to KEV After Admin Access ExploitsMay 15, 2026
CISA flags new SD-WAN flaw as actively exploited in attacksApril 21, 2026
CISA Adds 8 Exploited Flaws to KEV, Sets April-May 2026 Federal DeadlinesApril 21, 2026