# CVE-2022-3979: nagvis: A vulnerability was found in NagVis up to 1.9.33 and classified as problematic

CVE-2022-3979 is fixed in nagvis on 1 platform, first by DEBIAN-CVE-2022-3979, released November 13, 2022. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2022-3979
- Priority: High
- CVSS: 8.1 (high)
- EPSS: 0.0107
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Nov 13, 2022

## 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.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | nagvis Debian 12.15 (bookworm) | 1:1.9.34-1 | [DEBIAN-CVE-2022-3979](https://patchblox.com/security/data/fix/linux/debian-cve-2022-3979.md) | Nov 13, 2022 |
| Linux | nagvis Debian 13.5 (trixie) | 1:1.9.34-1 | [DEBIAN-CVE-2022-3979](https://patchblox.com/security/data/fix/linux/debian-cve-2022-3979.md) | Nov 13, 2022 |
| Linux | nagvis Debian 14 | 1:1.9.34-1 | [DEBIAN-CVE-2022-3979](https://patchblox.com/security/data/fix/linux/debian-cve-2022-3979.md) | Nov 13, 2022 |

---

Data as of 2026-11-08T00:53:09Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.