What is CVE-2021-27478?

CVE-2021-27478 is a high-severity vulnerability in Eipstackgroup Opener Ethernet/ip, classified under Incorrect Conversion between Numeric Types. CVSS score: 8.2/10. Published 2022-05-12.

How severe is CVE-2021-27478?

High severity. CVSS v3 base score is 8.2 out of 10.

Vulnerability in Eipstackgroup Opener Ethernet/ip

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.

EPSS: 0.010 (60.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H.

Affected products

Eipstackgroup Opener Ethernet/ip — versions unspecified
Opener_project Opener

Weakness classification (CWE)

CWE-681 — Incorrect Conversion between Numeric Types

References

ics-cert@hq.dhs.gov (x_refsource_CONFIRM, US Government Resource, Third Party Advisory)
ics-cert@hq.dhs.gov (x_refsource_CONFIRM, Third Party Advisory)

Frequently asked questions

What is CVE-2021-27478?: CVE-2021-27478 is a high-severity vulnerability in Eipstackgroup Opener Ethernet/ip, classified under Incorrect Conversion between Numeric Types. CVSS score: 8.2/10. Published 2022-05-12.
How severe is CVE-2021-27478?: High severity. CVSS v3 base score is 8.2 out of 10.