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Patch Now: Critical PAN-OS Flaws Actively Exploited by Threat Actors


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A recent disclosure from Palo Alto Networks highlights the critical importance of staying on top of security updates. Multiple vulnerabilities in PAN-OS, the operating system powering Palo Alto Networks firewalls, have been discovered and are actively exploited by threat actors.

This article explores the details of these vulnerabilities, the recommended remediation steps, and 10 best practices to minimize the risk of such attacks in the future.

Internet Security – McAfee Total Protection 2024 (AMAZON)

The vulnerabilities, tracked as CVE-2024-3400 (CVSS score: 10.0) and potentially others, allow attackers to achieve remote code execution (RCE) on susceptible devices. RCE is a severe vulnerability, granting attackers complete control over the affected system. Palo Alto Networks has linked this exploit activity to a threat group dubbed UTA0218, suspected to be state-backed due to the observed tradecraft and victimology.

Here’s a breakdown of the situation and the recommended course of action:

  • Affected Devices: Devices running PAN-OS versions 10.2.x, 11.0.x, and 11.1.x are potentially vulnerable.
  • Remediation: Palo Alto Networks has released security patches to address these vulnerabilities. It is crucial to update all affected PAN-OS devices to the latest versions immediately.
  • Detection and Investigation: Organizations are advised to investigate their systems for signs of compromise, especially if they haven’t applied the security patches yet.

Internet Security – McAfee Total Protection 2024 (AMAZON)

10 Best Practices to Fortify Your Network Defenses:

  1. Patch Management: Prioritize timely patching of vulnerabilities on all devices and software within your network, including firewalls and operating systems.
  2. Vulnerability Scanning: Conduct regular vulnerability scans to identify potential weaknesses in your systems.
  3. Threat Intelligence: Stay informed about emerging threats and vulnerabilities by subscribing to threat intelligence feeds.
  4. Network Segmentation: Segment your network to minimize the potential impact of a successful attack.
  5. Multi-Factor Authentication (MFA): Enforce MFA wherever possible to strengthen login security.
  6. Endpoint Security: Implement robust endpoint security solutions to detect and prevent malware infections.
  7. Incident Response Plan: Develop and test an incident response plan to ensure a swift and coordinated response in case of a security breach.
  8. Security Awareness Training: Train employees on cybersecurity best practices, including identifying phishing attempts and avoiding suspicious links.
  9. Penetration Testing: Conduct regular penetration testing to proactively identify and address security weaknesses.
  10. Keep Software Updated: Maintain all software, including firmware for security appliances, updated with the latest security patches.

Internet Security – McAfee Total Protection 2024 (AMAZON)


The recent PAN-OS vulnerabilities serve as a stark reminder that cybercriminals are constantly searching for new ways to exploit weaknesses in popular security solutions. By staying informed about emerging threats, applying security patches promptly, and implementing a layered security approach, organizations can significantly reduce their risk of falling victim to such attacks.

Don’t wait for your systems to become another statistic. Patch your PAN-OS devices immediately, prioritize ongoing vulnerability management, and empower your organization with a strong cybersecurity posture. By remaining vigilant and proactive, you can transform your network from a vulnerable target into a fortress against cyber threats.

Ouaissou DEMBELE
Ouaissou DEMBELEhttps://cybercory.com
Ouaissou DEMBELE is an accomplished cybersecurity professional and the Editor-In-Chief of cybercory.com. He has over 10 years of experience in the field, with a particular focus on Ethical Hacking, Data Security & GRC. Currently, Ouaissou serves as the Co-founder & Chief Information Security Officer (CISO) at Saintynet, a leading provider of IT solutions and services. In this role, he is responsible for managing the company's cybersecurity strategy, ensuring compliance with relevant regulations, and identifying and mitigating potential threats, as well as helping the company customers for better & long term cybersecurity strategy. Prior to his work at Saintynet, Ouaissou held various positions in the IT industry, including as a consultant. He has also served as a speaker and trainer at industry conferences and events, sharing his expertise and insights with fellow professionals. Ouaissou holds a number of certifications in cybersecurity, including the Cisco Certified Network Professional - Security (CCNP Security) and the Certified Ethical Hacker (CEH), ITIL. With his wealth of experience and knowledge, Ouaissou is a valuable member of the cybercory team and a trusted advisor to clients seeking to enhance their cybersecurity posture.


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