Published: 27/08/2021 Updated: 03/09/2022

CVSS v2 Base Score: 5 | Impact Score: 2.9 | Exploitability Score: 10

CVSS v3 Base Score: 7.5 | Impact Score: 3.6 | Exploitability Score: 3.9

VMScore: 445

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

In OPC Foundation Local Discovery Server (LDS) prior to 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.

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CWE-119 https://files.opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2021-40142.pdf https://opcfoundation.org/security-bulletins/https://cert-portal.siemens.com/productcert/pdf/ssa-321292.pdf https://nvd.nist.gov https://www.cisa.gov/news-events/ics-advisories/icsa-22-132-12 https://www.cisa.gov/uscert/ics/advisories/icsa-22-132-12

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CVE-2021-40142

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