Actively exploited
Listed in CISA’s Known Exploited Vulnerabilities catalog since April 20, 2026.
CVE-2026-20133
Cisco Catalyst SD-WAN Manager Exposure of Sensitive Information to an Unauthorized Actor Vulnerability
Cisco · Catalyst SD-WAN Manager
Added to KEV April 20, 2026
Alert details
- Source feed
- CISA KEV
- CVE ID
- CVE-2026-20133
- CWE
- CWE-200
- Affected products
- Catalyst SD-WAN Manager · Cisco Catalyst SD-WAN Manager · Cisco
What happened
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.
What it means for your business
Cisco Catalyst SD-WAN Manager is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2026-20133). 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. CISA remediation due date: 2026-04-23. If you need help checking exposure, call (864) 335-9223.
Required 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.
CISA due date: April 23, 2026
Sources
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