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Status published
High
CVE-2021-40142
In OPC Foundation Local Discovery Server (LDS) before 1.04.402.463, remote...
Vulnerability Description
In OPC Foundation Local Discovery Server (LDS) before 1.04.402.463, remote attackers can cause a denial of service (DoS) by sending carefully crafted messages that lead to Access of a Memory Location After the End of a Buffer.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
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Affected Vendor
opcfoundation
View all reports →Affected Software
local discover server, simatic process historian opc ua server firmware, simatic net pc, simatic wincc, simatic wincc runtime, simatic wincc unified scada runtime, telecontrol server basic
Vulnerable Versions:
0, 2022, 14, 15, 16, 17, 3.0
Timeline
Official Publish:
August 27th, 2021
Last Modified:
August 4th, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AC:L/AV:N/A:H/C:N/I:N/PR:N/S:U/UI:N
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.