Pfsense
CVE-2023-27253
HIGH
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization XPath query parameterization
|
| Impact | CVSS score of 8.8 (HIGH). Attack characteristics: network attack vector, low complexity, low privileges required, no user interaction not required. Public proof-of-concept exploit code is available. |
| Exploit ScenarioDerived | This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the high-severity affected system. |
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Alert meAnalysisAI
A command injection vulnerability in the function restore_rrddata() of Netgate pfSense v2.7.0 allows authenticated attackers to execute arbitrary commands via manipulating the contents of an XML file. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available.
RemediationAI
A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
Affects your stack
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Technical ContextAI · show details
This vulnerability is classified under CWE-91. A command injection vulnerability in the function restore_rrddata() of Netgate pfSense v2.7.0 allows authenticated attackers to execute arbitrary commands via manipulating the contents of an XML file supplied to the component config.xml. Affected products include: Netgate Pfsense.
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
A command injection vulnerability in the function restore_rrddata() of Netgate pfSense v2.7.0 allows authenticated attackers to execute arbitrary commands via manipulating the contents of an XML file supplied to the component config.xml.
Threat Intelligence Overview
NVD
CVE.org
EPSS
Exploit-DB
GitHub
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
OS command injection occurs when an application passes unsanitized user input directly into system shell commands.
Affected Products (CPE)NVD
Cross-site request forgery (CSRF) vulnerability in system_firmware_restorefullbackup.php in the WebGUI in pfSense before
Improper restriction of excessive authentication attempts in the SSHGuard component of Netgate pfSense Plus software v22
pfSense pfBlockerNG through 2.1.4_27 allows remote attackers to execute arbitrary OS commands as root via the HTTP Host
diag_command.php in pfSense 2.4.4-p3 allows CSRF via the txtCommand or txtRecallBuffer field, as demonstrated by executi
pfSense through 2.3.4 through 2.4.4-p3 allows Remote Code Injection via a methodCall XML document with a pfsense.exec_ph
An exploitable command injection vulnerability exists in the way Netgate pfSense CE 2.4.4-RELEASE processes the paramete
An exploitable command injection vulnerability exists in the way Netgate pfSense CE 2.4.4-RELEASE processes the paramete
An exploitable command injection vulnerability exists in the way Netgate pfSense CE 2.4.4-RELEASE processes the paramete
pfSense before 2.1.4 allows remote authenticated users to execute arbitrary commands via (1) the hostname value to diag_
pfSense v2.5.2 was discovered to contain a cross-site scripting (XSS) vulnerability in the browser.php component. Rated
pfSense 2.5.0 allows XSS via the services_wol_edit.php Description field. Rated medium severity (CVSS 6.1), this vulnera
In pfSense 2.4.4-p2 and 2.4.4-p3, if it is possible to trick an authenticated administrator into clicking on a button on