CVEvulnerability

CVE-2021-21777

10.0 CRITICAL Published 2021-06-17 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-06-17
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
10.0 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:H
CVSS 3.0 ([email protected])
8.6 HIGH — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
CVSS 2.0 ([email protected])
9.4 HIGH — AV:N/AC:L/Au:N/C:C/I:N/A:C
Weaknesses
CWE-125

Description

An information disclosure vulnerability exists in the Ethernet/IP UDP handler functionality of EIP Stack Group OpENer 2.3 and development commit 8c73bf3. A specially crafted network request can lead to an out-of-bounds read.

Affected configurations

• opener project opener 2.3

Related

Weakness · CWE (1)

  • CWE-125 Out-of-bounds Read weakness

References