Cisco Catalyst SD-WAN Manager Improper Encoding or Escaping of Output Vulnerability (CVE-2026-20245)
Severity: high · Patch status: unknown · Since 2026-06-09 · 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 added CVE-2026-20245 to its Known Exploited Vulnerabilities catalog on Jun 9, 2026, which means attackers are exploiting it in the wild.
What to do
- Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- US federal agencies must remediate by Jun 23, 2026 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch
