How severe is CVE-2021-22802?

CVE-2021-22802 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-2021-22802 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 20% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-22802?

CVE-2021-22802 affects Schneider-electric Interactive Graphical Scada System Data Collector. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-22802?

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-2021-22802 published?

CVE-2021-22802 was published on 2022-02-11 and last updated on 2026-06-17.

CVE-2021-22802

CVE-2021-22802 is a critical-severity vulnerability in Schneider-electric Interactive Graphical Scada System Data Collector with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 20% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-120.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 20% (97th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-120
Affected product: Schneider-electric Interactive Graphical Scada System Data Collector
Published: 2022-02-11
Last modified: 2026-06-17

Description

A CWE-120: Buffer Copy without Checking Size of Input vulnerability exists that could result in remote code execution due to missing length check on user supplied data, when a constructed message is received 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-2021-22802?: A CWE-120: Buffer Copy without Checking Size of Input vulnerability exists that could result in remote code execution due to missing length check on user supplied data, when a constructed message is received on the network. Affected Product: Interactive Graphical SCADA System Data Collector (dc.exe) (V15.0.0.21243 and prior)
How severe is CVE-2021-22802?: CVE-2021-22802 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-2021-22802 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 20% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-22802?: CVE-2021-22802 affects Schneider-electric Interactive Graphical Scada System Data Collector. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-22802?: 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-2021-22802 published?: CVE-2021-22802 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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