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Case File

CVE-2021-3064

CRITICAL · CVSS 9.8 EPSS 19.09% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-11-10 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. It affects Palo Alto, PAN-OS. Public exploit code or proof-of-concept references have been detected in its references. Its EPSS score suggests a 19.1% probability of exploitation in the next 30 days.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2021-3064
Severity
CRITICAL
CVSS
9.8
EPSS
19.09%
Palo Alto PAN-OS

Original NVD Description

A memory corruption vulnerability exists in Palo Alto Networks GlobalProtect portal and gateway interfaces that enables an unauthenticated network-based attacker to disrupt system processes and potentially execute arbitrary code with root privileges. The attacker must have network access to the GlobalProtect interface to exploit this issue. This issue impacts PAN-OS 8.1 versions earlier than PAN-OS 8.1.17. Prisma Access customers are not impacted by this issue.

Related CVEs

Other vulnerabilities affecting the same vendor(s)