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CVE PROGRAM SOURCE RECORD6.5 Medium

CVE-2026-20262

Cisco Catalyst SD-WAN Manager Arbitrary File Write Vulnerability

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Status
Published
Published
Updated
Assigning organization
cisco

Description

A vulnerability in the web UI of Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage, could allow an authenticated, remote attacker to create a file or overwrite any file on the filesystem of an affected system. This vulnerability exists because the affected software does not properly validate user-supplied input during a file upload process. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected API endpoint of the affected system. A successful exploit could allow the attacker to create or overwrite any file on the underlying operating system. This file could later be used to elevate to root. To exploit this vulnerability, the attacker must have valid credentials with at least a lower-privileged, single-task user account.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Cisco Cisco Catalyst SD-WAN Manager

Default version status: unknown

  • 20.1.12affected
  • 19.2.1affected
  • 18.4.4affected
  • 18.4.5affected
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References