---
title: "CVE-2022-3979\n    | Ubuntu"
description: Ubuntu is an open source software operating system that runs from the
  desktop, to the cloud, to all your internet connected things.
url: https://ubuntu.com/security/CVE-2022-3979?format=md
keywords: index, follow
---

# CVE-2022-3979

Publication date 13 November 2022

Last updated 26 August 2025

---

Ubuntu priority

**Medium**

[Why this priority?](https://ubuntu.com/security/cves/about#priority )

## Cvss 3 Severity Score

**5.6 · Medium**

[Score breakdown](https://ubuntu.com/security/CVE-2022-3979?format=md#impact-score)

Toggle side navigation

## Description

A vulnerability was found in NagVis up to 1.9.33 and classified as
problematic. This issue affects the function checkAuthCookie of the file
share/server/core/classes/CoreLogonMultisite.php. The manipulation of the
argument hash leads to incorrect type conversion. The attack may be
initiated remotely. The complexity of an attack is rather high. The
exploitation is known to be difficult. Upgrading to version 1.9.34 is able
to address this issue. The identifier of the patch is
7574fd8a2903282c2e0d1feef5c4876763db21d5. It is recommended to upgrade the
affected component. The identifier VDB-213557 was assigned to this
vulnerability.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| nagvis | 26.04 LTS resolute | Not affected |
| 25.10 questing | Not affected |
| 25.04 plucky | Not affected |
| 24.10 oracular | Not affected |
| 24.04 LTS noble | Not affected |
| 23.10 mantic | Not affected |
| 23.04 lunar | Not affected |
| 22.10 kinetic | Ignored end of life, was needs-triage |
| 22.04 LTS jammy | Needs evaluation |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Needs evaluation |
| 16.04 LTS xenial | Needs evaluation |
| 14.04 LTS trusty | Ignored end of standard support |

---

* [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)
* [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses)

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

5.6 · Medium

* Base metrics

  | Parameter | Value |
  | --- | --- |
  | Attack vector | Network |
  | Attack complexity | High |
  | Privileges required | None |
  | User interaction | None |
  | Scope | Unchanged |
  | Confidentiality impact | Low |
  | Integrity impact | Low |
  | Availability impact | Low |
* Scores

  | Parameter | Value |
  | --- | --- |
  | Base score | 5.6 · Medium |
  | Exploitability score | - |
  | Impact score | - |

**Vector:** CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-3979)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2022-3979)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2022-3979)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2022-3979)

### Other references

* <https://github.com/NagVis/nagvis/commit/7574fd8a2903282c2e0d1feef5c4876763db21d5 (nagvis-1.9.34)>
* <https://www.cve.org/CVERecord?id=CVE-2022-3979>