ACTIVELY EXPLOITED

CVE-2026-20245: Cisco Catalyst SD-WAN Manager Improper Encoding or Escaping of Output Vulnerability

Facts
VendorCisco
ProductCatalyst SD-WAN Manager
Actively exploitedYes
Added to CISA KEV9 Jun 2026
CISA federal deadline23 Jun 2026
Weakness (CWE)CWE-116

Required action (CISA's text)

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Description (NVD)

Cisco Catalyst SD-WAN Manager formerly SD-WAN vManage contains an improper encoding or escaping of output vulnerability. This vulnerability could allow an authenticated, local attacker to execute arbitrary commands as root by supplying a crafted file to the affected system.

SOURCES

Other Cisco flaws

Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 10 Nov 2026.