CVE-2021-3060

PAN-OS: OS Command Injection in Simple Certificate Enrollment Protocol (SCEP)

8.1 HighPublic exploit

An OS command injection vulnerability in the Simple Certificate Enrollment Protocol (SCEP) feature of PAN-OS software allows an unauthenticated network-based attacker with specific knowledge of the firewall configuration to execute arbitrary code with root user privileges. The attacker must have network access to the GlobalProtect interfaces to exploit this issue. This issue impacts: PAN-OS 8.1 versions earlier than PAN-OS 8.1.20-h1; PAN-OS 9.0 versions earlier than PAN-OS 9.0.14-h3; PAN-OS 9.1 versions earlier than PAN-OS 9.1.11-h2; PAN-OS 10.0 versions earlier than PAN-OS 10.0.8; PAN-OS 10.1 versions earlier than PAN-OS 10.1.3. Prisma Access customers with Prisma Access 2.1 Preferred and Prisma Access 2.1 Innovation firewalls are impacted by this issue.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: High
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

32.5%Up 31.1 points since Nov 11, 2021

What each source reports

CVE List Score used8.1

PAN-OS: OS Command Injection in Simple Certificate Enrollment Protocol (SCEP)

Record: CVE-2021-3060
CVSS 3.1: 8.1 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-78
Updated: 2026-11-02

EUVDEUVD-2021-264128.1

Record: EUVD-2021-26412
CVSS 3.1: 8.1 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-03

GitHub AdvisoriesGHSA-xhxm-4vx2-mf6cNo score

An OS command injection vulnerability in the Simple Certificate Enrollment Protocol (SCEP)...

Record: GHSA-xhxm-4vx2-mf6c
Weakness: CWE-78
Updated: 2026-11-02

NVD8.1

Record: CVE-2021-3060
CVSS 3.1: 8.1 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 9.3 HighAV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness: CWE-78
Updated: 2026-11-02

Affected products

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
PoC in GitHub	anmolksachan/CVE-2021-3060	2023-10-05
PoC in GitHub	timb-machine-mirrors/rqu1-cve-2021-3060.py	2022-08-03

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases, published	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, PoC in GitHub

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-3060 is a high vulnerability (CVSS 8.1) in Palo Alto Networks Pan-os, published November 10, 2021. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 32.5%, the 98th percentile. No source names a fixed version.