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CVE-2021-21777

nvd nist
Published: Jun 17, 2021Modified: Jun 17, 2026

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10.0
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:H
Exploitability: 3.9 / Impact: 5.8
Source: NVD

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 (1)

Opener Project
1 product
Opener
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Opener
Version 2.3

Related CWEs

CWE-125
Out-of-bounds Read
The product reads data past the end, or before the beginning, of the intended buffer.

References (2)

Source: talos-cna@cisco.com
ExploitThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitThird Party Advisory

Timeline

No history available yet.