CVE-2021-21777

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 v3 10.0 CRITICAL
CVSS v2.0 9.4 HIGH

10.0^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.8

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact HIGH

Scope CHANGED

9.4^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:C/I:N/A:C

Exploitability : 10.0 / Impact : 9.2

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact NONE

Availability Impact COMPLETE

References

Link	Resource
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1234	Exploit Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1234	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:opener_project:opener:2.3:*:*:*:*:*:*:*

History

21 Nov 2024, 05:48

Type	Values Removed	Values Added
References	~~() https://talosintelligence.com/vulnerability_reports/TALOS-2021-1234 - Exploit, Third Party Advisory~~	() https://talosintelligence.com/vulnerability_reports/TALOS-2021-1234 - Exploit, Third Party Advisory

Information

Published : 2021-06-17 11:15

Updated : 2024-11-21 05:48

NVD link : CVE-2021-21777

Mitre link : CVE-2021-21777

CVE.ORG link : CVE-2021-21777

JSON object : View

Products Affected

opener_project

opener

CWE

CWE-125

Out-of-bounds Read

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