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

CVE-2026-20245 (Cisco Catalyst SD-WAN Manager) is in the CISA Known Exploited Vulnerabilities catalog since 2026-06-09. Cisco Catalyst SD-WAN Manager formerly SD-WAN vManage contains an improper encoding or escaping of output… See the required fix, due date and advisories.

Exploitation status

CVE-2026-20245 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 2026-06-09. 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.

Advisory facts

Vendor or project
Cisco
Affected product
Catalyst SD-WAN Manager
Added to CISA KEV
2026-06-09
US federal remediation due date
2026-06-23
Ransomware association
Unknown
EPSS score
25.3% chance of exploitation in 30 days
Weakness (CWE)
CWE-116

Remediation: the 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.

Wording published by CISA for this catalog entry. It is the baseline action, not a decision about your environment: whether this exposure matters for you depends on where the affected component runs, what it is exposed to and who owns it.

From advisory to a decision you can defend

A catalog entry tells you a vulnerability is being exploited somewhere. It does not tell you whether it matters in your estate, who owns the fix, or what evidence an auditor will ask for later. That is the work VulnTrek does: it takes findings from the tools you already run, decides which exposure actually matters, routes it to an owner, keeps remediation human-approved and retains the lineage as evidence.

Sourced from public upstream advisories (CISA KEV, ENISA EUVD, vendor PSIRTs) mirrored daily. Informational only — not a remediation decision, not legal advice, and the absence of a record is not evidence of safety.