No exploitation reportedFix available

CVE-2021-22801

No exploitation reported by the sources we read.

Published2022-02-11
WeaknessCWE-269

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

A CWE-269: Improper Privilege Management vulnerability exists that could cause an arbitrary command execution when the software is configured with specially crafted event actions. Affected Product: ConneXium Network Manager Software (All Versions)

Timeline

dates in UTC

2022-02-1118:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2021-22801?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2021-22801?format=csv
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Versions per branch

NVD

Schneider-electric connexium network manager

Branch	Affected	Fixed in	Source
—	all versions	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

ICSA-21-287-01 CISA1 known affected
Schneider Electric CNM
ConneXium Network Manager: All versions

Full record on NVD

Fix

Vendor fix CISA ICSA-21-287-01 · 1 productHarden the workstation running ConneXium Network Manager (CNM) Software.
Mitigation from the vendor CISA ICSA-21-287-01 · 1 productSTEP 1: Download and run the CNM Alarms Disabler Tool.
Mitigation from the vendor CISA ICSA-21-287-01 · 1 productUsage: Place the disabler tool and the .cxn project file in the same directory. In a shell prompt, and in the chosen directory, execute the following command: disabler -projectfile {source project filename} -resultfile {converted project filename}
Mitigation from the vendor CISA ICSA-21-287-01 · 1 productImportant: The converter secures and modifies the CNM database and stores it in a new project file. Before a database coming from an untrusted source is loaded into CNM, users must run the converter. Note the original database is not modified. Therefore, if the original database needs to be loaded …
Mitigation from the vendor CISA ICSA-21-287-01 · 1 productSTEP 2: Set up the “Edit Password” in the CNM software. The “Edit Mode” is enabled by default. Users must activate the edit protection by switching to “Run mode” before exiting the application. Please refer to the chapter “Edit Mode” of the CNM user manual (packaged in the .iso file).
Mitigation from the vendor CISA ICSA-21-287-01 · 1 productSchneider Electric also recommends users should use appropriate patching methodologies when applying these patches to their systems. We strongly recommend the use of back-ups and evaluating the impact of these patches in a Test and Development environment or on an offline infrastructure. Contact Sc…

Advisories and patches

download.schneider-electric.comMitigation · Vendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.19.8read 2026-10-23
NVDCVSS 2.07.5read 2026-10-23
CNAweakness (CWE)CWE-269read 2026-10-23
FIRST EPSSEPSS score1.6 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: 2022-02-11
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2021-22801?

Is CVE-2021-22801 actively exploited?

Active exploitation of CVE-2021-22801 has not been confirmed. Its EPSS score was 1.6% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-22801?

CVE-2021-22801 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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