CVE-2021-27482

EIPStackGroup OpENer Ethernet/IP Out-of-bounds Read

Description

A specifically crafted packet sent by an attacker to EIPStackGroup OpENer EtherNet/IP commits and versions prior to Feb 10, 2021 may allow the attacker to read arbitrary data.

Remediation

Solution:

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

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.19%
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-2021-27482?
CVE-2021-27482 has been scored as a high severity vulnerability.
How to fix CVE-2021-27482?
To fix CVE-2021-27482: The maintainer of OpENer recommends those affected to apply the latest commits available.
Is CVE-2021-27482 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-27482 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-2021-27482?
CVE-2021-27482 affects EIPStackGroup OpENer EtherNet/IP.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.