CVE-2021-22796

Name: CVE-2021-22796
Creator: NVD / NIST
Published: 2022-02-11T18:15:09.11+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 1.15%

Last modified Jun 17, 2026

CVE-2021-22796 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. A CWE-287: Improper Authentication vulnerability exists that could allow remote code execution when a malicious file is uploaded. Affected Product: C-Bus Toolkit (V1.15.9 and prior), C-Gate Server (V2.11.7 and prior). EPSS estimates a 1.15% chance of exploitation in the next 30 days.

Description

A CWE-287: Improper Authentication vulnerability exists that could allow remote code execution when a malicious file is uploaded. Affected Product: C-Bus Toolkit (V1.15.9 and prior), C-Gate Server (V2.11.7 and prior)

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

1.15%

62.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-287

Affected Software

Vendor	Product	Versions
Schneider-Electric	C-Gate Server	<= 2.11.7

References

https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-103-01Patch, Vendor Advisory
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-103-01Patch, Vendor Advisory

Timeline

Published: Feb 11, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-22796?

How severe is CVE-2021-22796?

CVE-2021-22796 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.15% probability of exploitation in the next 30 days.

How do I fix CVE-2021-22796?

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-2021-22796?

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

Scan your code now

Source: NVD / NIST