CVE-2021-22803

Name: CVE-2021-22803
Creator: NVD / NIST
Published: 2022-02-11T18:15:09.353+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.87%

Last modified Jun 17, 2026

CVE-2021-22803 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A CWE-434: Unrestricted Upload of File with Dangerous Type vulnerability exists that could lead to remote code execution through a number of paths, when an attacker, writes arbitrary files to folders in context of the DC module, by sending constructed messages on the network. Affected Product: Interactive Graphical SCADA System Data Collector (dc.exe) (V15.0.0.21243 and prior). EPSS estimates a 1.87% chance of exploitation in the next 30 days.

Description

A CWE-434: Unrestricted Upload of File with Dangerous Type vulnerability exists that could lead to remote code execution through a number of paths, when an attacker, writes arbitrary files to folders in context of the DC module, by sending constructed messages on the network. Affected Product: Interactive Graphical SCADA System Data Collector (dc.exe) (V15.0.0.21243 and prior)

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

1.87%

76.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-434

Affected Software

Vendor	Product	Versions
Schneider-Electric	Interactive Graphical Scada System Data Collector	<= 15.0.0.21243

References

https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-285-03Patch, Vendor Advisory
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-285-03Patch, Vendor Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2021-22803?

How severe is CVE-2021-22803?

CVE-2021-22803 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.87% probability of exploitation in the next 30 days.

How do I fix CVE-2021-22803?

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-2021-22803?

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

Scan your code now

Source: NVD / NIST