CVE-2021-40142

HIGH

7.5

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.

CVE Details

CVSS v3.1 Score7.5

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published8/27/2021

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

opcfoundation:local_discover_serversiemens:simatic_net_pcsiemens:simatic_process_historian_opc_ua_serversiemens:simatic_process_historian_opc_ua_server_firmwaresiemens:simatic_winccsiemens:simatic_wincc_runtimesiemens:simatic_wincc_unified_scada_runtimesiemens:telecontrol_server_basic

Weaknesses (CWE)

CWE-119

References

https://cert-portal.siemens.com/productcert/pdf/ssa-321292.pdf(cve@mitre.org)

https://files.opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2021-40142.pdf(cve@mitre.org)

https://opcfoundation.org/security-bulletins/(cve@mitre.org)

https://cert-portal.siemens.com/productcert/pdf/ssa-321292.pdf(af854a3a-2127-422b-91ae-364da2661108)

https://files.opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2021-40142.pdf(af854a3a-2127-422b-91ae-364da2661108)

https://opcfoundation.org/security-bulletins/(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.