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CVE-2018-20388

9.8 · CRITICAL
Published Dec 23, 2018 comtrend CWE-522 EPSS 1.51% (73th pctl)

Overview

CVE-2018-20388 is a critical-severity vulnerability affecting comtrend cm-6200un_firmware. It was published on December 23, 2018 and has a CVSS 3.0 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.0 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical Description

Comtrend CM-6200un 123.447.007 and CM-6300n 123.553mp1.005 devices allow remote attackers to discover credentials via iso.3.6.1.4.1.4491.2.4.1.1.6.1.1.0 and iso.3.6.1.4.1.4491.2.4.1.1.6.1.2.0 SNMP requests.

Remediation

Check the references section for vendor advisories and patches from comtrend. Update cm-6200un_firmware 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-2018-20388?

CVE-2018-20388 is a critical-severity vulnerability affecting comtrend cm-6200un_firmware. It was published on December 23, 2018 and has a CVSS 3.0 base score of 9.8 (CRITICAL).

How severe is CVE-2018-20388?

This vulnerability has a CVSS 3.0 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2018-20388?

Check the references section for vendor advisories and patches from comtrend. Update cm-6200un_firmware 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-2018-20388?

CyberStrike's AI-powered security agents can automatically detect CVE-2018-20388 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.