# CVE-2022-4018: PYSEC-2022-43001 - Missing Authentication for Critical Function in GitHub repository ikus060/rdiffweb prior to 2.5.0a6.

Source: https://junglewise.ai/threats/cve-2022-4018-rdiffweb-vulnerable-to-missing-authentication-for-critical  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2022-11-16  
License: CC BY 4.0 with a link back

CVE-2022-4018 · Severity: low · CVSS 3.1 · Published 2022-11-16

Missing Authentication for Critical Function in GitHub repository ikus060/rdiffweb prior to 2.5.0a6.

Technologies: [rdiffweb (PyPI)](https://junglewise.ai/threats/technologies/rdiffweb). Vendors: [PyPI](https://junglewise.ai/threats/vendors/pypi).

## Quick answers

**Is CVE-2022-4018 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2022-4018 being exploited in the wild.

**How severe is CVE-2022-4018?** Low severity, with a CVSS score of 3.1, published 16 November 2022.

**Which products and versions are affected?** rdiffweb (PyPI) ECOSYSTEM:introduced=0,fixed=2.5.0a6, GIT:introduced=0,fixed=f2a32f2a9f3fb8be1a9432ac3d81d3aacdb13095|ECOSYSTEM:introduced=0,fixed=2.4.11a1.

**Is there a fix for CVE-2022-4018?** Yes. rdiffweb (PyPI): upgrade to 2.4.11a1, 2.5.0a6 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2022-4018?** Check whether you run rdiffweb (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- rdiffweb (PyPI): upgrade to 2.4.11a1, 2.5.0a6 or later

  ```sh
  pip install "rdiffweb>=2.5.0a6"
  ```


## Affected products

- rdiffweb (PyPI) ECOSYSTEM:introduced=0,fixed=2.5.0a6, GIT:introduced=0,fixed=f2a32f2a9f3fb8be1a9432ac3d81d3aacdb13095|ECOSYSTEM:introduced=0,fixed=2.4.11a1

## Identifiers

- CVE-2022-4018
- GHSA-4wph-9vrm-6v3w
- PYSEC-2022-43001

## Related threats

- [PYSEC-2026-1863 - RDiffWeb vulnerable to Allocation of Resources Without Limits or Throttling](https://junglewise.ai/threats/cve-2023-4138-rdiffweb-vulnerable-to-allocation-of-resources-without-limits-or)
- [PYSEC-2026-3048 - IKUS Rdiffweb allows an attacker with any valid or stolen access token to act as other users](https://junglewise.ai/threats/cve-2025-67796-ikus-rdiffweb-allows-an-attacker-with-any-valid-or-stolen-access)
- [PYSEC-2023-186 - Allocation of Resources Without Limits or Throttling in GitHub repository ikus060/rdiffweb prior to 2.8.4.](https://junglewise.ai/threats/cve-2023-5289-rdiffweb-allocation-of-resources-without-limits-or-throttling)
- [PYSEC-2022-43010 - Improper Access Control in GitHub repository ikus060/rdiffweb prior to 2.5.5.](https://junglewise.ai/threats/cve-2022-4724-rdiffweb-improper-access-control-vulnerability)
- [PYSEC-2022-43008 - Authentication Bypass by Primary Weakness in GitHub repository ikus060/rdiffweb prior to 2.5.5.](https://junglewise.ai/threats/cve-2022-4722-rdiffweb-vulnerable-to-authentication-bypass-by-primary-weakness)