CVE-2021-42705
HIGHCVSS 7.8/10EPSS 0.97%
Last modified
CVE-2021-42705 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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.. EPSS estimates a 0.97% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| We-Con | Plc Editor | <= 1.3.8 |
References
- https://us-cert.cisa.gov/ics/advisories/icsa-21-315-01Third Party Advisory, US Government Resource
- https://us-cert.cisa.gov/ics/advisories/icsa-21-315-01Third Party Advisory, US Government Resource
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-42705?
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.
How severe is CVE-2021-42705?
CVE-2021-42705 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.97% probability of exploitation in the next 30 days.
How do I fix CVE-2021-42705?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2021-42705?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST