CVE-2021-29242

Description

CODESYS Control Runtime system before 3.5.17.0 has improper input validation. Attackers can send crafted communication packets to change the router's addressing scheme and may re-route, add, remove or change low level communication packages.

Category

7.3
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.58%
Vendor Advisory codesys.com Vendor Advisory codesys.com Vendor Advisory codesys.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://customers.codesys.com/index.php vendor advisory permissions required
https://www.codesys.com/security/security-reports.html vendor advisory
https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=14640&token=623b6fceb0579ef0f7505e29beefa5b3f8ac7873&download= vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-29242?
CVE-2021-29242 has been scored as a high severity vulnerability.
How to fix CVE-2021-29242?
To fix CVE-2021-29242, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-29242 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-29242 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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