Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2021-40142

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.

Published

2021-08-27T07:15:08.630

Last Modified

2024-11-21T06:23:38.860

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

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

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

10.0

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-119
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application opcfoundation local_discover_server < 1.04.402.463 Yes
Operating System siemens simatic_process_historian_opc_ua_server_firmware < 2022 Yes
Operating System siemens simatic_process_historian_opc_ua_server_firmware 2022 Yes
Hardware siemens simatic_process_historian_opc_ua_server - No
Application siemens simatic_net_pc 14 Yes
Application siemens simatic_net_pc 15 Yes
Application siemens simatic_net_pc 16 Yes
Application siemens simatic_net_pc 17 Yes
Application siemens simatic_wincc - Yes
Application siemens simatic_wincc_runtime - Yes
Application siemens simatic_wincc_unified_scada_runtime - Yes
Application siemens telecontrol_server_basic 3.0 Yes
References