CVE-2026-20245 — Security Box Score

CVE · referencelatest edition

Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2026-20245HIGH

Cisco Catalyst SD-WAN Controller Authenticated Privilege Escalation Vulnerability

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   L   L   L   N  U  H  H  H    7.8   .2532   97.8   YES

AFFECTED
  Product                           Versions   Fixed
  Cisco Catalyst SD-WAN Controller  20.6.4 –   —
  Cisco Catalyst SD-WAN Manager     20.1.12 –  —

TIMELINE
  Oct 8   Reserved by cisco
  Jun 9   Added to CISA KEV, remediation due 2026-06-23
  Jun 9   Published (CNA: cisco)
  Jun 24  DUE DATE PASSED — CVE-2026-20245 (Cisco Catalyst SD-WAN Controller). CISA remediation deadline was June 23, 2026; still in catalog.

CWE-116 · CNA: cisco · CVSS v3.1 · 3 references · NVD status: Analyzed · KEV due June 23, 2026

Description

A vulnerability in the CLI of Cisco Catalyst SD-WAN Controller, formerly SD-WAN vSmart, Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage, and Cisco Catalyst SD-WAN Validator, formerly SD-WAN vBond, could allow an authenticated, local attacker to execute arbitrary commands as root by supplying a crafted file to the affected system. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by uploading a crafted file to the affected system. A successful exploit could allow the attacker to perform command injection attacks on an affected system and elevate their privileges as the root user. To exploit this vulnerability, the attacker must have netadmin privileges on the affected system. This would require valid credentials or exploitation of or . Cisco is not aware of successful exploitation by other methods. Cisco has observed limited cases where the exploitation of this bug resulted in a configuration change pushed to edge devices. Cisco recommends that customers upgrade to the fixed software that is documented in the that was published on May 14, 2026, and verify the configuration of the edge devices.

Lifecycle

Complete event history — 4 events, chronological
Date	Event	Detail
October 8, 2025	Reserved	Reserved by cisco
June 9, 2026	KEV ADDED	Added to CISA KEV, remediation due 2026-06-23
June 9, 2026	Published	Published (CNA: cisco)
June 24, 2026	DUE DATE PASSED	DUE DATE PASSED — CVE-2026-20245 (Cisco Catalyst SD-WAN Controller). CISA remediation deadline was June 23, 2026; still in catalog.

Affected

Affected products and packages — 2 rows
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
Cisco	Cisco Catalyst SD-WAN Controller	—	20.6.4	—
Cisco	Cisco Catalyst SD-WAN Manager	—	20.1.12	—

Weaknesses

CWE-116

References (3)

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-privesc-4uxFrdzx [Vendor Advisory]
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-rpa2-v69WY2SW [Vendor Advisory]
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-20245 [US Government Resource]

Authoritative record: CVE-2026-20245 at cve.org

Vendors: cisco

Weaknesses: CWE-116

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-20245 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, August 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.