CVE-2021-40142

Summary

CVECVE-2021-40142
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-08-27 07:15:00 UTC
Updated2022-09-03 03:54:00 UTC
DescriptionIn 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.

Risk And Classification

Problem Types: CWE-119

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Opcfoundation Local Discover Server All All All All
Application Siemens Simatic Net Pc 14 - All All
Application Siemens Simatic Net Pc 15 - All All
Application Siemens Simatic Net Pc 16 - All All
Application Siemens Simatic Net Pc 17 - All All
Hardware Siemens Simatic Process Historian Opc Ua Server - All All All
Operating System Siemens Simatic Process Historian Opc Ua Server Firmware All All All All
Operating System Siemens Simatic Process Historian Opc Ua Server Firmware 2022 - All All
Application Siemens Simatic Wincc - All All All
Application Siemens Simatic Wincc Runtime - All All All
Application Siemens Simatic Wincc Unified Scada Runtime - All All All
Application Siemens Telecontrol Server Basic 3.0 All All All

References

ReferenceSourceLinkTags
cert-portal.siemens.com/productcert/pdf/ssa-321292.pdf CONFIRM cert-portal.siemens.com
Security Bulletins - OPC Foundation MISC opcfoundation.org
files.opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CV... MISC files.opcfoundation.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
© CVE.report 2026 |

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

CVE.report and Source URL Uptime Status status.cve.report