PAN-OS

Pierluigi Paganini May 07, 2026
Nation-state actors exploit Palo Alto PAN-OS zero-day for weeks

Palo Alto says hackers exploited PAN-OS zero-day CVE-2026-0300 for weeks, gaining root access to exposed firewalls and hiding traces. Palo Alto Networks warned that suspected state-sponsored hackers have been exploiting the critical PAN-OS zero-day CVE-2026-0300 for nearly a month. After exploiting the flaw, attackers deployed tunneling tools such as EarthWorm and ReverseSocks5, used stolen credentials […]

Pierluigi Paganini May 07, 2026
U.S. CISA adds a flaw in Palo Alto Networks PAN-OS to its Known Exploited Vulnerabilities catalog

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds a flaw in Palo Alto Networks PAN-OS to its Known Exploited Vulnerabilities catalog The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added a flaw in the Palo Alto Networks PAN-OS, tracked as CVE-2026-0300 (CVSS score of 9.3), to its Known Exploited Vulnerabilities (KEV) catalog. The flaw is a buffer […]

Pierluigi Paganini May 06, 2026
Palo Alto Networks PAN-OS flaw exploited for remote code execution

Palo Alto Networks warns of a critical PAN-OS flaw (CVE-2026-0300) that is under active attack, allowing unauthenticated remote code execution. Palo Alto Networks has warned that a critical PAN-OS vulnerability, tracked as CVE-2026-0300 (CVSS score of 9.3), is actively exploited in the wild. The flaw is a buffer overflow that allows unauthenticated remote code execution, […]

Pierluigi Paganini December 27, 2024
Palo Alto Networks fixed a high-severity PAN-OS flaw

Palo Alto Networks addressed a high-severity PAN-OS flaw that could trigger denial-of-service (DoS) on vulnerable devices. Palo Alto Networks addressed a high-severity flaw, tracked as CVE-2024-3393 (CVSS score: 8.7), in PAN-OS software that could cause a denial-of-service (DoS) condition. An unauthenticated attacker can exploit this vulnerability to reboot the firewall by sending a malicious packet […]

Pierluigi Paganini November 22, 2024
More than 2,000 Palo Alto Networks firewalls hacked exploiting recently patched zero-days

Threat actors already hacked thousands of Palo Alto Networks firewalls exploiting recently patched zero-day vulnerabilities. Thousands of Palo Alto Networks firewalls have reportedly been compromised in attacks exploiting recently patched zero-day vulnerabilities (CVE-2024-0012 and CVE-2024-9474) in PAN-OS. CVE-2024-0012 is a vulnerability in Palo Alto Networks PAN-OS that allows unauthenticated attackers with network access to the management […]

Pierluigi Paganini November 08, 2024
Palo Alto Networks warns of potential RCE in PAN-OS management interface

Palo Alto Networks warns customers to restrict access to their next-generation firewalls because of a potential RCE flaw in the PAN-OS management interface. Palo Alto Networks warns customers to limit access to their next-gen firewall management interface due to a potential remote code execution vulnerability in PAN-OS. The cybersecurity company has no further details on […]

Pierluigi Paganini April 17, 2024
Researchers released exploit code for actively exploited Palo Alto PAN-OS bug

Researchers released an exploit code for the actively exploited vulnerability CVE-2024-3400 in Palo Alto Networks’ PAN-OS. Researchers at watchTowr Labs have released a technical analysis of the vulnerability CVE-2024-3400 in Palo Alto Networks’ PAN-OS and a proof-of-concept exploit that can be used to execute shell commands on vulnerable firewalls. CVE-2024-3400 (CVSS score of 10.0) is a […]

Pierluigi Paganini April 15, 2024
CISA adds Palo Alto Networks PAN-OS Command Injection flaw to its Known Exploited Vulnerabilities catalog

U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Palo Alto Networks PAN-OS Command Injection flaw to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added the CVE-2024-3400 Palo Alto Networks PAN-OS Command Injection vulnerability to its Known Exploited Vulnerabilities (KEV) catalog. CVE-2024-3400 (CVSS score of 10.0) is a critical command injection vulnerability […]

Pierluigi Paganini April 15, 2024
Threat actors exploited Palo Alto Pan-OS issue to deploy a Python Backdoor

Threat actors have been exploiting the recently disclosed zero-day in Palo Alto Networks PAN-OS since March 26, 2024. Palo Alto Networks and Unit 42 are investigating the activity related to CVE-2024-3400 PAN-OS flaw and discovered that threat actors have been exploiting it since March 26, 2024. CVE-2024-3400 (CVSS score of 10.0) is a critical command […]

Pierluigi Paganini April 11, 2024
Palo Alto Networks fixed multiple DoS bugs in its firewalls

Palo Alto Networks fixed several vulnerabilities in its PAN-OS operating system, including 3 issues that can trigger a DoS condition on its firewalls. Palo Alto Networks released security updates to address several high-severity vulnerabilities in its PAN-OS operating system. The company fixed the following DoS vulnerabilities: CVE-2024-3385 – The company reported that a packet processing […]