Critical severity9.8NVD Advisory· Published Dec 11, 2020· Updated Jun 17, 2026
CVE-2020-13556
CVE-2020-13556
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.
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Affected products
2- EIP Stack Group/OpENerdescription
- Range: <=2.3, <8c73bf3
Patches
Vulnerability mechanics
References
1- talosintelligence.com/vulnerability_reports/TALOS-2020-1170nvdExploitTechnical DescriptionThird Party Advisory
News mentions
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