Palo Alto Warns of Active Exploitation of PAN-OS GlobalProtect VPN Flaw

Palo Alto Networks has revealed that it has observed "active exploitation" of a recently disclosed PAN-OS vulnerability by an unknown threat actor to obtain unauthorized access to GlobalProtect portals. The vulnerability in question is CVE-2026-0257 CVSS score: 7.8, an authentication bypass flaw...

Palo Alto Networks Warns of Brute-Force Attempts Targeting PAN-OS GlobalProtect Gateways

Palo Alto Networks has revealed that it's observing brute-force login attempts against PAN-OS GlobalProtect gateways, days after threat hunters warned of a surge in suspicious login scanning activity targeting its appliances. "Our teams are observing evidence of activity consistent with...

CVE-2021-3056

A memory corruption vulnerability in Palo Alto Networks PAN-OS GlobalProtect Clientless VPN enables an authenticated attacker to execute arbitrary code with root user privileges during SAML authentication. This issue impacts: PAN-OS 8.1 versions earlier than PAN-OS 8.1.20; PAN-OS 9.0 versions...

Command injection

An OS Command Injection vulnerability in the PAN-OS GlobalProtect portal allows an unauthenticated network based attacker to execute arbitrary OS commands with root privileges. An attacker requires some knowledge of the firewall to exploit this issue. This issue can not be exploited if...

CVE-2020-2034 PAN-OS: OS command injection vulnerability in GlobalProtect portal

An OS Command Injection vulnerability in the PAN-OS GlobalProtect portal allows an unauthenticated network based attacker to execute arbitrary OS commands with root privileges. An attacker requires some knowledge of the firewall to exploit this issue. This issue can not be exploited if...

Brute force attack on the PAN-OS GlobalProtect external interface

A vulnerability exists in the PAN-OS GlobalProtect external interface that could allow for an attacker to brute force a username on PAN-OS GlobalProtect external Interface. The vulnerability is caused by PAN-OS provided different responses when supplying login credentials. Ref PAN-72769 /...