CVE-2023-20101 is a critical vulnerability affecting Cisco Emergency Responder systems. This security issue allows an unauthenticated, remote attacker to gain access to an affected device using the root account with default, static credentials. Exploiting this vulnerability could enable the attacker to execute arbitrary commands as the root user. The vulnerability has a severity score of 9.8 on the CVSS (Common Vulnerability Scoring System) framework, indicating a high level of risk for affected systems.

How do I know if I'm affected?

To determine if you're affected by the vulnerability, you'll need to check if you're using Cisco Emergency Responder and if your version matches the affected software configurations. The affected version is "cpe:2.3:a:cisco:emergency\_responder:12.5(1)su4:\:\:\:\:\:\:\*". If your system matches this configuration, you may be at risk.

What should I do if I'm affected?

If you're affected by the vulnerability, follow these steps. First, visit the Cisco Security Advisory for more information. Next, check for updates or patches from Cisco. Then, apply the necessary updates to your system. Finally, monitor your network for any suspicious activity. Remember to always keep your software up-to-date to prevent future vulnerabilities.

Is this in CISA’s Known Exploited Vulnerabilities Catalog?

The CVE-2023-20101 vulnerability is not listed in CISA's Known Exploited Vulnerabilities Catalog. This means that, as of now, there is no specific action required by the Cybersecurity and Infrastructure Security Agency (CISA) regarding this vulnerability. However, it is still crucial to address the issue by following the steps mentioned earlier to secure your system and prevent potential attacks.

Weakness enumeration

The vulnerability is caused by the use of hard-coded credentials CWE-798, allowing unauthorized access to affected systems.

For more details

CVE-2023-20101 is a critical vulnerability that poses a significant risk to affected systems. By addressing this issue and securing your system, you can prevent potential attacks. For a comprehensive overview of the vulnerability, including its description, severity, technical details, and known affected software configurations, visit the NVD page or the links below.

• NVD - CVE-2023-20101

• Cisco Security Advisory