CVE-2022-20850: Cisco SD-WAN Arbitrary File Deletion Vulnerability

Severity: high (CVSS 7.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-09-30 · updated 2026-06-17
Weakness: CWE-22

Description

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.

Affected products

Cisco IOS XE SD-WAN Software: before 16.10.1 — fixed in 16.10.1
Cisco Sd-Wan: before 18.4.5 — fixed in 18.4.5
Cisco Sd-Wan Vbond Orchestrator: before 18.4.5 — fixed in 18.4.5
Cisco Sd-Wan Vmanage: before 18.4.5 — fixed in 18.4.5
Cisco Sd-Wan Vsmart Controller: before 18.4.5 — fixed in 18.4.5

How to fix

Upgrade to a fixed version: Cisco IOS XE SD-WAN Software 16.10.1; Cisco Sd-Wan 18.4.5; Cisco Sd-Wan Vbond Orchestrator 18.4.5; Cisco Sd-Wan Vmanage 18.4.5; Cisco Sd-Wan Vsmart Controller 18.4.5. Check the vendor advisory for mitigations.

References

Get alerted when CVE-2022-20850 or the next vulnerability affects your stack