Vulnerability Monitor

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CVE-2021-31889

A vulnerability has been identified in Capital Embedded AR Classic 431-422 (All versions), Capital Embedded AR Classic R20-11 (All versions < V2303), PLUSCONTROL 1st Gen (All versions), SIMOTICS CONNECT 400 (All versions < V0.5.0.0). Malformed TCP packets with a corrupted SACK option leads to Information Leaks and Denial-of-Service conditions. (FSMD-2021-0015)

Published

2021-11-09T12:15:09.693

Last Modified

2024-11-21T06:06:26.400

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

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-191
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application siemens capital_vstar * Yes
Application siemens nucleus_net * Yes
Application siemens nucleus_readystart_v3 < 2017.02.3 Yes
Application siemens nucleus_source_code * Yes
Operating System siemens apogee_modular_building_controller_firmware * Yes
Hardware siemens apogee_modular_building_controller - No
Operating System siemens apogee_modular_equiment_controller_firmware * Yes
Hardware siemens apogee_modular_equiment_controller - No
Operating System siemens apogee_pxc_compact_firmware * Yes
Hardware siemens apogee_pxc_compact - No
Operating System siemens apogee_pxc_modular_firmware * Yes
Hardware siemens apogee_pxc_modular - No
Operating System siemens talon_tc_compact_firmware * Yes
Hardware siemens talon_tc_compact - No
Operating System siemens talon_tc_modular_firmware * Yes
Hardware siemens talon_tc_modular - No
Operating System siemens apogee_modular_building_controller_firmware * Yes
Hardware siemens apogee_modular_building_controller - No
References