Vulnerability · Published Nov 22, 2021 · Assigned by icscert
CVE-2021-42707WECON PLC Editor
High 7.8
In plain English
A high-severity out-of-bounds write 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 62% of all known vulnerabilities).
Severity (CVSS 3.1)7.8High
Exploit odds (30 days)1.0%top 37.9% 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 an out-of-bounds write 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-787 · 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