How severe is CVE-2021-22803?

CVE-2021-22803 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-22803 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-22803?

CVE-2021-22803 affects Schneider-electric Interactive Graphical Scada System Data Collector. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-22803?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2021-22803 published?

CVE-2021-22803 was published on 2022-02-11 and last updated on 2026-06-17.

CVE-2021-22803

CVE-2021-22803 is a critical-severity vulnerability in Schneider-electric Interactive Graphical Scada System Data Collector with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-434.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: Schneider-electric Interactive Graphical Scada System Data Collector
Published: 2022-02-11
Last modified: 2026-06-17

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)

Frequently asked questions

What is CVE-2021-22803?: 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)
How severe is CVE-2021-22803?: CVE-2021-22803 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-22803 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-22803?: CVE-2021-22803 affects Schneider-electric Interactive Graphical Scada System Data Collector. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-22803?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2021-22803 published?: CVE-2021-22803 was published on 2022-02-11 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:a:schneider-electric:interactive_graphical_scada_system_data_collector:*:*:*:*:*:*:*:*

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