Actively exploited
Listed in CISA’s Known Exploited Vulnerabilities catalog since June 9, 2026.
CVE-2026-20245
Cisco Catalyst SD-WAN Manager Improper Encoding or Escaping of Output Vulnerability
Cisco · Catalyst SD-WAN Manager
Added to KEV June 9, 2026
Alert details
- Source feed
- CISA KEV
- CVE ID
- CVE-2026-20245
- CWE
- CWE-116
- Affected products
- Catalyst SD-WAN Manager · Cisco Catalyst SD-WAN Manager · Cisco
What happened
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.
What it means for your business
Cisco Catalyst SD-WAN Manager is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2026-20245). 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. CISA remediation due date: 2026-06-23. If you need help checking exposure, call (864) 335-9223.
Required action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
CISA due date: June 23, 2026
Sources
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