RCE in Netgate Pfsense
CVE-2018-4019
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_normal_mode` parameter.
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 0.487 (98.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Netgate Pfsense — versions Netgate pfSense CE 2.4.4-RELEASE
- Netgate Pfsense — versions 2.4.4
Weakness classification (CWE)
Public proof-of-concept exploits
References
- talos-cna@cisco.com (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2018-4019?
- CVE-2018-4019 is a high-severity vulnerability in Netgate Pfsense, classified under OS Command Injection. CVSS score: 7.2/10. Published 2018-12-03.
- How severe is CVE-2018-4019?
- High severity. CVSS v3 base score is 7.2 out of 10.
- Is CVE-2018-4019 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.