Vulnerability Monitor

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CVE-2020-25229

A vulnerability has been identified in LOGO! 8 BM (incl. SIPLUS variants) (All versions < V8.3). The implemented encryption for communication with affected devices is prone to replay attacks due to the usage of a static key. An attacker could change the password or change the configuration on any affected device if using prepared messages that were generated for another device.

Published

2020-12-14T21:15:19.800

Last Modified

2024-11-21T05:17:42.660

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

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

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

10.0

Impact Score

2.9

Weaknesses
  • Type: Secondary
    CWE-321
  • Type: Primary
    CWE-798
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System siemens logo\!_8_bm_firmware < 8.3 Yes
Hardware siemens logo\!_8_bm - No
References