Vulnerability · Published Nov 22, 2021 · Assigned by icscert
CVE-2021-42705WECON PLC Editor
High 7.8
In plain English
A high-severity stack buffer overflow in PLC Editor from WECON. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 64% of all known vulnerabilities).
Severity (CVSS 3.1)7.8High
Exploit odds (30 days)1.0%top 36.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
PLC Editor Versions 1.3.8 and prior is vulnerable to a stack-based buffer overflow while processing project files, which may allow an attacker to execute arbitrary code.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| WECON | PLC Editor | All – through 1.3.8 |
Weakness: CWE-121 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
References
- https://us-cert.cisa.gov/ics/advisories/icsa-21-315-01 x_refsource_MISC