HOMEVULNERABILITIESCVE-2022-3979
HIGH

CVE-2022-3979

CWE-704Published: November 13, 2022· Updated: Jun 17, 2026

8.1
CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2022-3979 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.1.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityHigh
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

nagvis1 product(s)
nagvis
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://github.com/NagVis/nagvis/commit/7574fd8a2903282c2e0d1feef5c4876763db21d5
PATCHhttps://github.com/NagVis/nagvis/commit/7574fd8a2903282c2e0d1feef5c4876763db21d5
ADVISORYhttps://vuldb.com/?id.213557
ADVISORYhttps://vuldb.com/?id.213557

All References (11)

→
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

Quick Facts

CVE IDCVE-2022-3979
CVSS Score8.1 / 10
SeverityHIGH
WeaknessCWE-704
CISA KEVNo
Affected1 vendor(s)
PublishedNov 13, 2022

Related CVEs (CWE-704)

CVE-2015-3120
10.0
CVE-2024-5436
9.8
CVE-2020-25576
9.8
CVE-2017-9183
9.8
CVE-2023-6249
9.8
CVE-2018-12812
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2022-3979 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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