---
id: CVE-2023-22631
title: >-
  PRTG Network Monitor before 23.1.82 allows remote attackers to write to files
  via the HTTP XML/REST Sensor.
summary: >-
  PRTG Network Monitor before 23.1.82 allows remote attackers to write to files
  via the HTTP XML/REST Sensor.
severity: low
cvss: 2.7
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N'
cwe:
  - CWE-88
vendor: Paessler
product: PRTG Network Monitor
affected:
  - prtg_network_monitor < 23.1.82
published: '2026-09-14'
updated: '2026-09-22'
sourceUpdated: '2026-09-22T20:00:03.713'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2023-22631'
references:
  - url: >-
      https://helpdesk.paessler.com/en/support/solutions/articles/76000076688-is-prtg-affected-by-cve-2023-22631-or-cve-2023-22632-
    label: cve@mitre.org
  - url: 'https://www.paessler.com/prtg'
    label: cve@mitre.org
tags:
  - nvd
  - cve.org
epss: 0.00225
epssPercentile: 0.11678
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-14T14:56:37.406436Z'
ingestedAt: '2026-09-14T15:23:07.466Z'
---

## Overview

PRTG Network Monitor before 23.1.82 allows remote attackers to write to files via the HTTP XML/REST Sensor.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.