CVE-2021-22807
Published: 28 January 2022
Summary
CVE-2021-22807 is a high-severity Out-of-bounds Write (CWE-787) vulnerability in Schneider-Electric Guicon. Its CVSS base score is 7.8 (High).
Operationally, ranked in the top 40.9% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-9942
Vulnerability details
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
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Out-of-bounds writes that corrupt control flow or inject shellcode are rendered non-executable by the same memory protections.