CVE-2021-21777 | Date: (C)2021-06-17 (M)2023-12-22 |
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.
CVSS Score and Metrics +CVSS Score and Metrics -CVSS V3 Severity: | CVSS V2 Severity: |
CVSS Score : 10.0 | CVSS Score : 9.4 |
Exploit Score: 3.9 | Exploit Score: 10.0 |
Impact Score: 5.8 | Impact Score: 9.2 |
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CVSS V3 Metrics: | CVSS V2 Metrics: |
Attack Vector: NETWORK | Access Vector: NETWORK |
Attack Complexity: LOW | Access Complexity: LOW |
Privileges Required: NONE | Authentication: NONE |
User Interaction: NONE | Confidentiality: COMPLETE |
Scope: CHANGED | Integrity: NONE |
Confidentiality: HIGH | Availability: COMPLETE |
Integrity: NONE | |
Availability: HIGH | |
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