Vulnerability Monitor

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CVE-2021-20093

A buffer over-read vulnerability exists in Wibu-Systems CodeMeter versions < 7.21a. An unauthenticated remote attacker can exploit this issue to disclose heap memory contents or crash the CodeMeter Runtime Server.

Published

2021-06-16T12:15:12.037

Last Modified

2024-11-21T05:45:54.840

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.1 (CRITICAL)

CVSSv2 Vector

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

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

10.0

Impact Score

4.9

Weaknesses
  • Type: Primary
    CWE-125
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application wibu codemeter ≤ 7.21a Yes
Application siemens pss_cape - Yes
Operating System siemens sicam_230_firmware * Yes
Hardware siemens sicam_230 - No
Application siemens simatic_information_server 2019 Yes
Application siemens simatic_information_server 2020 Yes
Application siemens simatic_pcs_neo < 3.1 Yes
Application siemens simatic_wincc_oa 3.17 Yes
Application siemens simatic_wincc_oa 3.18 Yes
Application siemens simit_simulation_platform < 10.3 Yes
Application siemens simit_simulation_platform 10.3 Yes
Application siemens sinec_infrastructure_network_services < 1.0.1.1 Yes
Application siemens sinec_infrastructure_network_services 1.0.1 Yes
Application siemens sinema_remote_connect_server < 3.0 Yes
Application siemens sinema_remote_connect_server 3.0 Yes
Application siemens sinema_remote_connect_server 3.0 Yes
Hardware siemens simatic_process_historian < 2020 Yes
Hardware siemens simatic_process_historian 2020 Yes
References