What is CVE-2022-20850?

CVE-2022-20850 is a medium-severity vulnerability in Cisco 1100-4g Integrated Services Router, classified under Path Traversal. CVSS score: 5.5/10. Published 2022-09-30.

How severe is CVE-2022-20850?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Path Traversal in Cisco 1100-4g Integrated Services Router

CVE-2022-20850

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.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2022-09-30 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.002 (10.1th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 10th percentile — 10.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

Weakness classification (CWE)

References

tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-arb-file… (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2022-20850?: CVE-2022-20850 is a medium-severity vulnerability in Cisco 1100-4g Integrated Services Router, classified under Path Traversal. CVSS score: 5.5/10. Published 2022-09-30.
How severe is CVE-2022-20850?: Medium severity. CVSS v3 base score is 5.5 out of 10.