CVE-2018-4020

2018-12-0300:00:00

talos

www.cve.org

7.2 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

0.193 Low

EPSS

Percentile

96.3%

JSON

An exploitable command injection vulnerability exists in the way Netgate pfSense CE 2.4.4-RELEASE processes the parameters of a specific POST request. The attacker can exploit this and gain the ability to execute arbitrary commands on the system. An attacker needs to be able to send authenticated POST requests to the administration web interface. Command injection is possible in the powerd_ac_mode POST parameter parameter.

CNA Affected

[
  {
    "product": "Netgate pfSense",
    "vendor": "Netgate",
    "versions": [
      {
        "status": "affected",
        "version": "Netgate pfSense CE 2.4.4-RELEASE"
      }
    ]
  }
]