Vulnerability Description
A specifically crafted packet sent by an attacker to EIPStackGroup OpENer EtherNet/IP commits and versions prior to Feb 10, 2021 may result in a denial-of-service condition.
CVSS Score
7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Opener Project | Opener | <= 2.3 |
Related Weaknesses (CWE)
References
- https://github.com/EIPStackGroup/OpENerThird Party Advisory
- https://www.cisa.gov/uscert/ics/advisories/icsa-21-105-02Third Party AdvisoryUS Government Resource
- https://github.com/EIPStackGroup/OpENerThird Party Advisory
- https://www.cisa.gov/uscert/ics/advisories/icsa-21-105-02Third Party AdvisoryUS Government Resource
FAQ
What is CVE-2021-27500?
CVE-2021-27500 is a vulnerability with a CVSS score of 7.5 (HIGH). A specifically crafted packet sent by an attacker to EIPStackGroup OpENer EtherNet/IP commits and versions prior to Feb 10, 2021 may result in a denial-of-service condition.
How severe is CVE-2021-27500?
CVE-2021-27500 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-27500?
Check the references section above for vendor advisories and patch information. Affected products include: Opener Project Opener.