CVEvulnerability

CVE-2021-40142

7.5 HIGH Published 2021-08-27 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-08-27
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 3.1 ([email protected])
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
Weaknesses
CWE-119

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.

Affected configurations

• opcfoundation local discover server (< 1.04.402.463) • siemens simatic process historian opc ua server firmware (< 2022) • siemens simatic process historian opc ua server firmware 2022 • siemens simatic net pc 14 • siemens simatic net pc 15 • siemens simatic net pc 16 • siemens simatic net pc 17 • siemens simatic wincc • siemens simatic wincc runtime • siemens simatic wincc unified scada runtime • siemens telecontrol server basic 3.0

Related

Weakness · CWE (1)

  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer weakness

References