---
id: CVE-2021-40324
aliases:
  - GHSA-4cfr-gjfx-fj3x
  - PYSEC-2021-374
title: >-
  Cobbler before 3.3.0 allows arbitrary file write operations via
  upload_log_data.
summary: >-
  Cobbler before 3.3.0 allows arbitrary file write operations via
  upload_log_data.
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N'
vendor: cobbler
product: cobbler
ecosystem: pip
affected:
  - cobbler < 3.3.0
patched:
  - cobbler 3.3.0
published: '2021-10-05'
updated: '2026-09-10'
sourceUpdated: '2026-09-10T03:49:09.069893513Z'
source: OSV
sourceUrl: 'https://osv.dev/vulnerability/GHSA-4cfr-gjfx-fj3x'
references:
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2021-40324'
  - url: >-
      https://github.com/cobbler/cobbler/commit/d8f60bbf14a838c8c8a1dba98086b223e35fe70a
  - url: 'https://github.com/advisories/GHSA-4cfr-gjfx-fj3x'
  - url: 'https://github.com/cobbler/cobbler'
  - url: 'https://github.com/cobbler/cobbler/releases/tag/v3.3.0'
  - url: >-
      https://github.com/pypa/advisory-database/tree/main/vulns/cobbler/PYSEC-2021-374.yaml
tags:
  - osv
  - pip
epss: 0.68635
epssPercentile: 0.99308
ingestedAt: '2026-09-12T03:13:01.652Z'
---

## Overview

Cobbler before 3.3.0 allows arbitrary file write operations via upload_log_data.

## Affected packages

- `cobbler < 3.3.0`

## Remediation

Upgrade to a patched release:

- `cobbler 3.3.0`