CVE-2021-40142

Published on: 08/27/2021 12:00:00 AM UTC

Last Modified on: 09/03/2022 03:54:00 AM UTC

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

Certain versions of Local Discover Server from Opcfoundation contain the following vulnerability:

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-2021-40142 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as HIGH severity.

CVSS3 Score: 7.5 - HIGH

Attack
Vector
Attack
Complexity
Privileges
Required
User
Interaction
NETWORK LOW NONE NONE
Scope Confidentiality
Impact
Integrity
Impact
Availability
Impact
UNCHANGED NONE NONE HIGH

CVSS2 Score: 5 - MEDIUM

Access
Vector
Access
Complexity
Authentication
NETWORK LOW NONE
Confidentiality
Impact
Integrity
Impact
Availability
Impact
NONE NONE PARTIAL

CVE References

Description Tags Link
cert-portal.siemens.com
application/pdf
URL Logo CONFIRM cert-portal.siemens.com/productcert/pdf/ssa-321292.pdf
Security Bulletins - OPC Foundation opcfoundation.org
text/html
URL Logo MISC opcfoundation.org/security-bulletins/
files.opcfoundation.org
application/pdf
URL Logo MISC files.opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2021-40142.pdf

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
ApplicationOpcfoundationLocal Discover ServerAllAllAllAll
ApplicationSiemensSimatic Net Pc14-AllAll
ApplicationSiemensSimatic Net Pc15-AllAll
ApplicationSiemensSimatic Net Pc16-AllAll
ApplicationSiemensSimatic Net Pc17-AllAll
Hardware Device InfoSiemensSimatic Process Historian Opc Ua Server-AllAllAll
Operating
System
SiemensSimatic Process Historian Opc Ua Server FirmwareAllAllAllAll
Operating
System
SiemensSimatic Process Historian Opc Ua Server Firmware2022-AllAll
ApplicationSiemensSimatic Wincc-AllAllAll
ApplicationSiemensSimatic Wincc Runtime-AllAllAll
ApplicationSiemensSimatic Wincc Unified Scada Runtime-AllAllAll
ApplicationSiemensTelecontrol Server Basic3.0AllAllAll
  • cpe:2.3:a:opcfoundation:local_discover_server:*:*:*:*:*:*:*:*:
  • cpe:2.3:a:siemens:simatic_net_pc:14:-:*:*:*:*:*:*:
  • cpe:2.3:a:siemens:simatic_net_pc:15:-:*:*:*:*:*:*:
  • cpe:2.3:a:siemens:simatic_net_pc:16:-:*:*:*:*:*:*:
  • cpe:2.3:a:siemens:simatic_net_pc:17:-:*:*:*:*:*:*:
  • cpe:2.3:h:siemens:simatic_process_historian_opc_ua_server:-:*:*:*:*:*:*:*:
  • cpe:2.3:o:siemens:simatic_process_historian_opc_ua_server_firmware:*:*:*:*:*:*:*:*:
  • cpe:2.3:o:siemens:simatic_process_historian_opc_ua_server_firmware:2022:-:*:*:*:*:*:*:
  • cpe:2.3:a:siemens:simatic_wincc:-:*:*:*:*:*:*:*:
  • cpe:2.3:a:siemens:simatic_wincc_runtime:-:*:*:*:professional:*:*:*:
  • cpe:2.3:a:siemens:simatic_wincc_unified_scada_runtime:-:*:*:*:*:*:*:*:
  • cpe:2.3:a:siemens:telecontrol_server_basic:3.0:*:*:*:*:*:*:*:

Social Mentions

Source Title Posted (UTC)
Twitter Icon @CVEreport CVE-2021-40142 : In OPC Foundation Local Discovery Server LDS before 1.04.402.463, remote attackers can cause a d… twitter.com/i/web/status/1… 2021-08-27 07:04:46
Twitter Icon @threatmeter CVE-2021-40142 In OPC Foundation Local Discovery Server (LDS) before 1.04.402.463, remote attackers can cause a den… twitter.com/i/web/status/1… 2021-08-29 08:09:33
© CVE.report 2023 Twitter Nitter Twitter Viewer |

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