CVE-2021-43982

Delta Electronics CNCSoft

Description

Delta Electronics CNCSoft Versions 1.01.30 and prior are vulnerable to a stack-based buffer overflow, which may allow an attacker to execute arbitrary code.

Remediation

Solution:

  • Delta Electronics has released an updated version of CNCSoft and recommends users install v1.01.31 and later on all affected systems. Delta Electronics recommends users should apply the following mitigations to reduce the risk of exploit: Minimize network exposure for all control system devices and/or systems, and ensure they are not accessible from the Internet. Locate control system networks and remote devices behind firewalls and isolate them from the business network. When remote access is required, use secure methods, such as Virtual Private Networks (VPNs), recognizing a VPN is only as secure as its connected devices.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.41%
Third-Party Advisory cisa.gov
Affected: Delta Electronics CNCSoft
Published at:
Updated at:

References

Link Tags
https://www.cisa.gov/uscert/ics/advisories/icsa-21-334-03 mitigation third party advisory us government resource

Frequently Asked Questions

What is the severity of CVE-2021-43982?
CVE-2021-43982 has been scored as a high severity vulnerability.
How to fix CVE-2021-43982?
To fix CVE-2021-43982: Delta Electronics has released an updated version of CNCSoft and recommends users install v1.01.31 and later on all affected systems. Delta Electronics recommends users should apply the following mitigations to reduce the risk of exploit: Minimize network exposure for all control system devices and/or systems, and ensure they are not accessible from the Internet. Locate control system networks and remote devices behind firewalls and isolate them from the business network. When remote access is required, use secure methods, such as Virtual Private Networks (VPNs), recognizing a VPN is only as secure as its connected devices.
Is CVE-2021-43982 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-43982 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-43982?
CVE-2021-43982 affects Delta Electronics CNCSoft.
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