Palo Alto Networks has alerted its customers about a potential vulnerability in the PAN-OS management interface that could allow remote code execution (RCE). The company stated it is currently investigating claims surrounding this vulnerability, but specifics have yet to be disclosed.

While the potential for exploitation is concerning, Palo Alto Networks recommended that users adhere to best practices for securing their management interface. This includes restricting access to internal IPs, thereby reducing the attack surface. They emphasized the importance of not exposing the management interface to the internet.

To further enhance security, Palo Alto provided several guidelines:

• Isolate the management interface on a dedicated management VLAN.
• Utilize jump servers to access the management IP.
• Limit access to the management interface to approved management devices.
• Ensure that only secure communication protocols like SSH and HTTPS are permitted.
• Allow only PING for testing connectivity.

This security advisory coincides with the U.S. Cybersecurity and Infrastructure Security Agency (CISA) listing a critical vulnerability affecting the Palo Alto Networks’ Expedition tool in its Known Exploited Vulnerabilities catalog, which was recently actively exploited. This vulnerability, tracked as CVE-2024-5910 with a severity score of 9.3, pertains to a lack of authentication that could lead to unauthorized access to admin accounts and sensitive data.

Federal agencies have been urged to apply necessary patches before November 28, 2024, to safeguard their networks against these threats.

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