CVE-2021-3052: high-severity vulnerability in Palo Alto Networks PAN-OS
PAN-OS: Reflected Cross-Site Scripting (XSS) in Web Interface
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8epss 0.6%
A reflected cross-site scripting (XSS) vulnerability in the Palo Alto Network PAN-OS web interface enables an authenticated network-based attacker to mislead another authenticated PAN-OS administrator to click on a specially crafted link that performs arbitrary actions in the PAN-OS web interface as the targeted authenticated administrator. This issue impacts: PAN-OS 8.1 versions earlier than 8.1.20; PAN-OS 9.0 versions earlier than 9.0.14; PAN-OS 9.1 versions earlier than 9.1.10; PAN-OS 10.0 versions earlier than 10.0.2. This issue does not affect Prisma Access.
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Affected products
Palo Alto Networks · PAN-OSRelated CVEs — Palo Alto Networks PAN-OS
In the same product, most dangerous first.
CVE-2024-3400CRITICALPAN-OS: Arbitrary File Creation Leads to OS Command Injection Vulnerability in GlobalProtectEPSS 100.0%KEVCVE-2024-0012CRITICALPAN-OS: Authentication Bypass in the Management Web Interface (PAN-SA-2024-0015)EPSS 99.8%KEVCVE-2025-0108HIGHPAN-OS: Authentication Bypass in the Management Web InterfaceEPSS 98.5%KEVCVE-2026-0257HIGHPAN-OS: GlobalProtect Authentication Bypass VulnerabilitiesEPSS 95.6%KEVCVE-2024-9474MEDIUMPAN-OS: Privilege Escalation (PE) Vulnerability in the Web Management InterfaceEPSS 93.8%KEVCVE-2026-0300CRITICALPAN-OS: Unauthenticated user initiated Buffer Overflow Vulnerability in User-ID™ Authentication PortalEPSS 41.7%KEV