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CVE-2023-20035

7.8 · HIGH
Published Mar 23, 2023 cisco CWE-146 EPSS 0.22% (13th pctl)

Overview

CVE-2023-20035 is a high-severity vulnerability affecting cisco ios_xe_sd-wan. It was published on March 23, 2023 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical Description

A vulnerability in the CLI of Cisco IOS XE SD-WAN Software could allow an authenticated, local attacker to execute arbitrary commands with elevated privileges. This vulnerability is due to insufficient input validation by the system CLI. An attacker with privileges to run commands could exploit this vulnerability by first authenticating to an affected device using either local terminal access or a management shell interface and then submitting crafted input to the system CLI. A successful exploit could allow the attacker to execute commands on the underlying operating system with root-level privileges. An attacker with limited user privileges could use this vulnerability to gain complete control over the system. Note: For additional information about specific impacts, see the Details section of this advisory.

Remediation

Check the references section for vendor advisories and patches from cisco. Update ios_xe_sd-wan to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected Products

Vendor Product Versions Status

Frequently Asked Questions

What is CVE-2023-20035?

CVE-2023-20035 is a high-severity vulnerability affecting cisco ios_xe_sd-wan. It was published on March 23, 2023 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2023-20035?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2023-20035?

Check the references section for vendor advisories and patches from cisco. Update ios_xe_sd-wan to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2023-20035?

CyberStrike's AI-powered security agents can automatically detect CVE-2023-20035 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.