Buffer overflow in Schneider-Electric Guicon

CVE-2021-22807

A CWE-787: Out-of-bounds Write vulnerability exists that could cause arbitrary code execution when a malicious *.gd1 configuration file is loaded into the GUIcon tool. Affected Product: Eurotherm by Schneider Electric GUIcon Version 2.0 (Build 683.003) and prior

Vulnerability class: Buffer Overflow

EPSS: 0.008 (53.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-22807?
CVE-2021-22807 is a high-severity vulnerability in Schneider-Electric Guicon, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2022-01-28.
How severe is CVE-2021-22807?
High severity. CVSS v3 base score is 7.8 out of 10.