EIPStackGroup OpENer Ethernet/IP Incorrect Conversion between Numeric Types
CVE-2021-27478

8.2HIGH

Key Information:

Vendor

Eipstackgroup

Status
Opener Ethernet/ip
Vendor
CVE Published:
12 May 2022

What is CVE-2021-27478?

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.

Affected Version(s)

OpENer EtherNet/IP < unspecified

References

https://www.cisa.gov/uscert/ics/advisories/icsa-21-105-02
x_refsource_CONFIRM
https://github.com/EIPStackGroup/OpENer
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CVSS V3.1

Score:
8.2
Severity:
HIGH
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Tal Keren and Sharon Brizinov of Claroty reported these vulnerabilities to CISA.
.