CVE-2021-27500

Summary

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.

Affected Software

Weaknesses

• CWE-617: CWE-617: Reachable Assertion

ADP Enrichment

CVE Program Container

Additional References

• https://www.cisa.gov/uscert/ics/advisories/icsa-21-105-02
• https://github.com/EIPStackGroup/OpENer

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: yes
  • Technical Impact: partial

References

• https://www.cisa.gov/uscert/ics/advisories/icsa-21-105-02
• https://github.com/EIPStackGroup/OpENer

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