CVE-2018-4021
Quick assessment
Affected
Netgate Netgate pfSense
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Netgate pfSense CE是美国Netgate公司的一套免费开源的基于FreeBSD的防火墙和路由器软件。 Netgate pfSense CE 2.4.4-RELEASE版本中的‘powerd_battery_mode’POST参数存在命令注入漏洞。攻击者可利用该漏洞在系统上执行任意命令。
Possible ATT&CK Techniques 1 AI
T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2018-4021
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability 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_battery_mode` POST parameter.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Netgate pfSense CE 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Netgate pfSense CE是美国Netgate公司的一套免费开源的基于FreeBSD的防火墙和路由器软件。 Netgate pfSense CE 2.4.4-RELEASE版本中的‘powerd_battery_mode’POST参数存在命令注入漏洞。攻击者可利用该漏洞在系统上执行任意命令。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
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Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Netgate | Netgate pfSense | Netgate pfSense CE 2.4.4-RELEASE | - |
|
II. Public POCs for CVE-2018-4021
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2018-4021 (1)
-
https://talosintelligence.com/vulnerability_reports/TALOS-2018-0690 x_refsource_MISC
Same Patch Batch · Netgate · 2018-12-03 · 3 CVEs total
| CVE-2018-4019 | Netgate pfSense CE 命令注入漏洞 | |
| CVE-2018-4020 | Netgate pfSense CE 操作系统命令注入漏洞 |
IV. Related Vulnerabilities
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CVE-2026-111230
Netgate pfSense CE through 2.9.0 Local File Read via Dynamic -
CVE-2026-111229
Netgate pfSense CE 2.7.0 through 2.9.0 Command Injection via
V. Comments for CVE-2018-4021
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