What is CVE-2021-22802?

CVE-2021-22802 is a critical-severity vulnerability in Schneider-Electric Interactive Graphical Scada System Data Collector, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2022-02-11.

How severe is CVE-2021-22802?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Schneider-Electric Interactive Graphical Scada System Data Collector

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)

Vulnerability class: Buffer Overflow

EPSS: 0.202 (97.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Schneider-electric Interactive_graphical_scada_system_data_collector
N/a Interactive Graphical Scada System Data Collector (Dc.exe) (V15.0.0.21243 And Prior) — versions Interactive Graphical SCADA System Data Collector (dc.exe) (V15.0.0.21243 and prior)

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

cybersecurity@se.com (Patch, x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-22802?: CVE-2021-22802 is a critical-severity vulnerability in Schneider-Electric Interactive Graphical Scada System Data Collector, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2022-02-11.
How severe is CVE-2021-22802?: Critical severity. CVSS v3 base score is 9.8 out of 10.