CVE-2021-27478

EIPStackGroup OpENer Ethernet/IP Incorrect Conversion between Numeric Types

Description

A specifically crafted packet sent by an attacker to EIPStackGroup OpENer EtherNet/IP commits and versions prior to Feb 10, 2021 may cause a denial-of-service condition.

Remediation

Solution:

  • The maintainer of OpENer recommends those affected to apply the latest commits available.

Category

8.2
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.12%
Third-Party Advisory github.com Third-Party Advisory cisa.gov
Affected: EIPStackGroup OpENer EtherNet/IP
Published at:
Updated at:

References

Link Tags
https://www.cisa.gov/uscert/ics/advisories/icsa-21-105-02 third party advisory us government resource
https://github.com/EIPStackGroup/OpENer third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-27478?
CVE-2021-27478 has been scored as a high severity vulnerability.
How to fix CVE-2021-27478?
To fix CVE-2021-27478: The maintainer of OpENer recommends those affected to apply the latest commits available.
Is CVE-2021-27478 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-27478 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-2021-27478?
CVE-2021-27478 affects EIPStackGroup OpENer EtherNet/IP.
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