CVE-2020-25229

High

Description

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.

SeverityHigh
CVSS7.5
Exploit probability—
ProductSiemens Logo\! 8 Bm Firmware
PublishedDec 14, 2020
First seenDec 14, 2020
Weakness typeCWE-321CWE-321

How to fix

Update
  • siemens logo\!_8_bm_firmware8.3 or later

Affected products

ProductAffected versionsFixed in
siemens logo\!_8_bm_firmwarev < 8.38.3

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