CVE-2018-4020
CVSS v3
7.2
HIGH
EPSS Score
84.2 %
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
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.
Technical details
- Published
- 2018-12-03
Frequently asked questions
What is CVE-2018-4020?
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.
Is CVE-2018-4020 actively exploited?
Active exploitation of CVE-2018-4020 has not been confirmed. The EPSS score is 84.2%, indicating the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2018-4020?
CVE-2018-4020 has a CVSS v3 base score of 7.2 (HIGH severity).
Is CVE-2018-4020 affecting your environment?
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