CVE-2022-3979

Name: CVE-2022-3979
Creator: NVD / NIST
Published: 2022-11-13T23:15:09.81+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.1/10EPSS 1.01%

Last modified Jun 17, 2026

CVE-2022-3979 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. 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. EPSS estimates a 1.01% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

8.1/10

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

EPSS Probability

1.01%

58.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Nagvis	Nagvis	< 1.9.34

References

https://github.com/NagVis/nagvis/commit/7574fd8a2903282c2e0d1feef5c4876763db21d5Patch
https://github.com/NagVis/nagvis/releases/tag/nagvis-1.9.34Release Notes
https://vuldb.com/?ctiid.213557Permissions Required
https://vuldb.com/?id.213557Permissions Required, Third Party Advisory
https://www.sonarsource.com/blog/checkmk-rce-chain-2/Exploit
https://github.com/NagVis/nagvis/commit/7574fd8a2903282c2e0d1feef5c4876763db21d5Patch
https://github.com/NagVis/nagvis/releases/tag/nagvis-1.9.34Release Notes
https://lists.debian.org/debian-lts-announce/2025/05/msg00000.html
https://vuldb.com/?ctiid.213557Permissions Required
https://vuldb.com/?id.213557Permissions Required, Third Party Advisory
https://www.sonarsource.com/blog/checkmk-rce-chain-2/Exploit

Timeline

Published: Nov 13, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-3979?

How severe is CVE-2022-3979?

CVE-2022-3979 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 1.01% probability of exploitation in the next 30 days.

How do I fix CVE-2022-3979?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-3979?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST