CVE intelligence and bounded remediation

CVE-2022-20850 — Cisco Sd-Wan Vbond Orchestrator security vulnerability

High CVSS 7.1

A vulnerability in the CLI of stand-alone Cisco IOS XE SD-WAN Software and Cisco SD-WAN Software could allow an authenticated, local attacker to delete arbitrary files from the file system of an affected device. This vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by injecting arbitrary file path information when using commands in the CLI of an affected device. A successful exploit could allow the attacker to delete arbitrary files from the file system of the affected device.

Severity
High
CVSS
7.1 (3.1)
Published
2022-09-30
CISA KEV
Not currently listed
Ecosystem
software/application
Weaknesses
CWE-22, CWE-20

Affected products

  • cisco / sd-wan_vbond_orchestrator
  • cisco / sd-wan_vmanage
  • cisco / sd-wan_vsmart_controller
  • cisco / ios_xe_sd-wan
  • cisco / sd-wan

Matched remediation archetype

Path traversal, unsafe upload, and file handling

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Check exposure

  • Trace untrusted filenames, archive entries, URLs, and path segments into read, write, include, extraction, and upload operations.
  • Identify filesystem roots, mount permissions, symbolic-link behavior, archive handling, and whether uploaded content is web-accessible or executable.
  • Review canonicalization and containment checks across supported operating systems and storage backends.

Remediate safely

  • Generate server-side storage identifiers and resolve paths beneath a fixed root using filesystem-aware containment checks.
  • Reject absolute, parent-relative, alternate-separator, device, link, and archive entries that escape the intended root.
  • Store uploads outside executable or served paths, validate type and size, and use private atomic temporary files.

Authoritative sources

Complete CVE record and remediation plan

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