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CVE-2020-13556

nvd nist
Published: Dec 11, 2020Modified: Jun 17, 2026

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9.8
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitability: 3.9 / Impact: 5.9
Source: NVD

Description

An out-of-bounds write vulnerability exists in the Ethernet/IP server functionality of EIP Stack Group OpENer 2.3 and development commit 8c73bf3. A specially crafted series of network requests can lead to remote code execution. An attacker can send a sequence of requests to trigger this vulnerability.

Affected (1)

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

Related CWEs

CWE-787
Out-of-bounds Write
The product writes data past the end, or before the beginning, of the intended buffer.

References (2)

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

Timeline

No history available yet.