CVE-2026-20245

HIGHCVSS 7.8Known Exploited

CISA Known Exploited Vulnerability

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-privesc-4uxFrdzx ; https://nvd.nist.gov/vuln/detail/CVE-2026-20245

Remediation deadline: June 23, 2026

Description

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.

Timeline

Published:June 4th, 2026 11:17 PM

Last modified:July 21st, 2026 7:23 PM

Added to KEV:June 9th, 2026

CVSS Scoring

CVSS v3: 7.8 (HIGH)

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Software

From NVD CPE configuration data

Vendors

cisco

Products

catalyst_sd-wan_managersd-wan_vsmart_controller

Weaknesses (CWE)

CWE-116

References & Reports

Advisories, patches, and third-party reports

Source: NIST NVD · Data may lag official sources by up to one minute