CVE-2022-31814

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Published Sep 5, 2022 CVSS 3.1 · 9.8 Critical EPSS 91.9% KEV · Not listed

Description

pfSense pfBlockerNG through 2.1.4_26 allows remote attackers to execute arbitrary OS commands as root via shell metacharacters in the HTTP Host header. NOTE: 3.x is unaffected.

Analysis

No analysis available yet

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:netgate:pfblockerng:*:*:*:*:*:pfsense:*:*

No data.

No data available yet.

Remediation

No remediation available yet

Tracking

Sign in to view the affected projects.

Advisories

No advisories available

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: 91.9% (91.881% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
http://packetstormsecurity.com/files/168743/pfSense-pfBlockerNG-2.1.4_26-Shell-Upload.html
http://packetstormsecurity.com/files/171123/pfBlockerNG-2.1.4_26-Remote-Code-Execution.html
https://docs.netgate.com/pfsense/en/latest/packages/pfblocker.html
https://github.com/pfsense/FreeBSD-ports/pull/1169
https://github.com/pfsense/FreeBSD-ports/pull/1169/commits/071bdcf2d918c3e51cde11cf81fbd9b6f0379d7e
https://www.ihteam.net/advisory/pfblockerng-unauth-rce-vulnerability/

History

No history.

Subscriptions

Netgate Pfblockerng

Weaknesses

CWE-78
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Sources

CVE record Updated: Aug 3, 2024, 7:26 AM

Status: PUBLISHED
Assigner: mitre
Published: Sep 5, 2022, 12:00 AM
Updated: Aug 3, 2024, 7:26 AM
Reserved: May 31, 2022, 12:00 AM

View source JSON

Vulnrichment Updated: Aug 3, 2024, 7:26 AM

Updated: Aug 3, 2024, 7:26 AM

NVD Updated: Jun 17, 2026, 4:46 AM

Status: Modified
Published: Sep 5, 2022, 4:15 PM
Modified: Jun 17, 2026, 4:46 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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