CVE Feed

    Dashboard / CVE / CVE-2021-3056

    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 earlier than PAN-OS 9.0.14; PAN-OS 9.1 versions earlier than PAN-OS 9.1.9; PAN-OS 10.0 versions earlier than PAN-OS 10.0.1. Prisma Access customers with Prisma Access 2.1 Preferred firewalls are impacted by this issue.

    Published:Nov 10, 2021
    Last Modified:Nov 21, 2024
    EPS:Nov 10, 2021
    EPSS Score:0.0062
    CVSS Score:8.8

    Affected Products

    Vendor
    Paloaltonetworks
    Product
    Pan-os

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-0301 (CVSS 1.7) — An information disclosure vulnerability in the URL Filtering feature of Palo Alto Networks PAN-OS® software en…
    CVE-2026-0279 (CVSS 1.3) — Multiple cross site scripting vulnerabilities in the User-ID™ Authentication Portal (aka Captive Portal) servi…
    CVE-2026-0280 (CVSS 1.7) — An IPv6 packet processing vulnerability in the dataplane of Palo Alto Networks PAN-OS® software enables an una…
    CVE-2026-0281 (CVSS 2.1) — An information disclosure vulnerability in Palo Alto Networks PAN-OS® software enables an unauthenticated atta…
    CVE-2026-0282 (CVSS 2.7) — A file deletion vulnerability in Palo Alto Networks PAN-OS® software enables an unauthenticated attacker with …
    CVE-2026-0283 (CVSS 4.5) — An authentication bypass vulnerability in Large Scale VPN ( LSVPN) functionality of Palo Alto Networks PAN-OS …
    CVE-2026-0284 (CVSS 4.7) — An XML injection vulnerability in the Large Scale VPN (LSVPN) functionality of Palo Alto Networks PAN-OS® soft…
    CVE-2026-0285 (CVSS 4.7) — A server-side request forgery (SSRF) vulnerability in Palo Alto Networks PAN-OS software enables an authentica…
    CVE-2026-0286 (CVSS 6) — A command injection vulnerability in the management plane of Palo Alto Networks PAN-OS® software enables an au…
    CVE-2026-0287 (CVSS 6.6) — Multiple denial of service vulnerabilities in Palo Alto Networks PAN-OS® software allow an unauthenticated att…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High