CVE-2021-3054 PAN-OS: Unsigned Code Execution During Plugin Installation Race Condition Vulnerability

2021-09-0817:10:21

CWE-367

palo_alto

www.cve.org

cve-2021-3054

pan-os

toctou

vulnerability

plugin installation

palo alto networks

root user privileges

CVSS3

7.2

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

AI Score

7.3

Confidence

High

EPSS

0.001

Percentile

42.8%

JSON

A time-of-check to time-of-use (TOCTOU) race condition vulnerability in the Palo Alto Networks PAN-OS web interface enables an authenticated administrator with permission to upload plugins to execute arbitrary code with root user privileges. 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 9.1.11; PAN-OS 10.0 versions earlier than PAN-OS 10.0.7; PAN-OS 10.1 versions earlier than PAN-OS 10.1.2. This issue does not affect Prisma Access.

CNA Affected

[
  {
    "product": "PAN-OS",
    "vendor": "Palo Alto Networks",
    "versions": [
      {
        "changes": [
          {
            "at": "8.1.20",
            "status": "unaffected"
          }
        ],
        "lessThan": "8.1.20",
        "status": "affected",
        "version": "8.1",
        "versionType": "custom"
      },
      {
        "changes": [
          {
            "at": "9.0.14",
            "status": "unaffected"
          }
        ],
        "lessThan": "9.0.14",
        "status": "affected",
        "version": "9.0",
        "versionType": "custom"
      },
      {
        "changes": [
          {
            "at": "10.0.7",
            "status": "unaffected"
          }
        ],
        "lessThan": "10.0.7",
        "status": "affected",
        "version": "10.0",
        "versionType": "custom"
      },
      {
        "changes": [
          {
            "at": "9.1.11",
            "status": "unaffected"
          }
        ],
        "lessThan": "9.1.11",
        "status": "affected",
        "version": "9.1",
        "versionType": "custom"
      },
      {
        "changes": [
          {
            "at": "10.1.2",
            "status": "unaffected"
          }
        ],
        "lessThan": "10.1.2",
        "status": "affected",
        "version": "10.1",
        "versionType": "custom"
      }
    ]
  }
]