Critical severity10.0NVD Advisory· Published Jun 17, 2021· Updated Jun 17, 2026
CVE-2021-21777
CVE-2021-21777
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.
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Affected products
2- EIP Stack Group OpENer/EIP Stack Group OpENerdescription
- Range: <=2.3
Patches
Vulnerability mechanics
References
1- talosintelligence.com/vulnerability_reports/TALOS-2021-1234nvdExploitThird Party Advisory
News mentions
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