CVE-2021-3059

PAN-OS: OS Command Injection Vulnerability When Performing Dynamic Updates

HIGH

8.1

CVSS Score

Published: November 10, 2021 at 05:10 PM UTC

Updated: June 17, 2026 at 04:04 AM UTC

2 products affected across 1 vendorPAN-OSPrisma Access

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Severity

HIGH8.1

Exploit prediction

EPSS 2%

Description

An OS command injection vulnerability in the Palo Alto Networks PAN-OS management interface exists when performing dynamic updates. This vulnerability enables a man-in-the-middle attacker to execute arbitrary OS commands to escalate privileges. 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 that have Prisma Access 2.1 Preferred or Prisma Access 2.1 Innovation firewalls are impacted by this issue.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

PAN-OS · Palo Alto Networks

95%

10.0 ≤ v < 10.0.810.0.0 ≤ v < 10.0.810.1 ≤ v < 10.1.310.1.0 ≤ v < 10.1.38.1 ≤ v < 8.1.20-h18.1.0 ≤ v ≤ 8.1.209.0 ≤ v < 9.0.14-h39.0.0 ≤ v ≤ 9.0.149.1 ≤ v < 9.1.11-h29.1.0 ≤ v ≤ 9.1.1110.010.18.1 9.0 9.1

Affected range stops below 10.0.8, so it looks safe — our inference, not a vendor statement

Affected range stops below 10.1.3, so it looks safe — our inference, not a vendor statement

Affected range stops below 8.1.20-h1, so it looks safe — our inference, not a vendor statement

Affected range stops below 9.0.14-h3, so it looks safe — our inference, not a vendor statement

Affected range stops below 9.1.11-h2, so it looks safe — our inference, not a vendor statement

Prisma Access · Palo Alto Networks

60%

2.1 Innovation 2.1 Preferred

Vendor states this is fixed in 2.2* (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://security.paloaltonetworks.com/CVE-2021-3059

References (1)

x_refsource_MISCVendor Advisory

Source: [email protected]

https://security.paloaltonetworks.com/CVE-2021-3059

CVSS

8.1HIGHpalo_alto

Attack Vector: NETWORK
Complexity: HIGH
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-78

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