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Rewterz Threat Advisory – ICS: WECON PLC Editor

Severity

High

Analysis Summary

CVE-2021-42705

The affected product is vulnerable to a stack-based buffer overflow while processing project files, which may allow an attacker to execute arbitrary code.

CVE-2021-42707

The affected product is vulnerable to an out-of-bounds write while processing project files, which may allow an attacker to execute arbitrary code.

Impact

  • Arbitrary Code Execution

Affected Vendors

  • WECON

Affected Products

  • PLC Editor: Versions 1.3.8 and prior

Remediation

Refer to CISA Advisory for the patch, upgrade, or suggested workaround information.

https://us-cert.cisa.gov/ics/advisories/icsa-21-315-01