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CVE-2026-20133: Cisco Catalyst SD-WAN Manager

EPSS31.8%No. 995 of 1739 in KEV
CVE year2026listed the same year
Same vendor in KEV100
Same product5
FieldValue
VendorCisco
ProductCatalyst SD-WAN Manager
NameCisco Catalyst SD-WAN Manager Exposure of Sensitive Information to an Unauthorized Actor Vulnerability
Added to KEV2026-04-20
US federal due date2026-04-23
Ransomware useUnknown
CWECWE-200

CISA 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.

Other entries for this product

CVEVendor / productAddedEPSSRansomware
CVE-2026-76504Cisco Catalyst SD-WAN Manager2026-09-301.8%Unknown
CVE-2026-20262Cisco Catalyst SD-WAN Manager2026-06-1528.1%Unknown
CVE-2026-20245Cisco Catalyst SD-WAN Manager2026-06-0925.3%Unknown
CVE-2026-20128Cisco Catalyst SD-WAN Manager2026-04-207.0%Unknown

NVD — CVE-2026-20133

Data from CISA's Known Exploited Vulnerabilities (KEV) catalog. EPSS is FIRST's estimated probability of exploitation activity in the next 30 days, refreshed weekly. Always follow the vendor's official guidance.
About this page

A Cisco Catalyst SD-WAN Manager vulnerability added to CISA's Known Exploited Vulnerabilities catalog on 2026-04-20.