CVE-2022-36360

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-10-11 · updated 2026-06-17
Weakness: CWE-345

Description

A vulnerability has been identified in LOGO! 8 BM (incl. SIPLUS variants) (All versions < V8.3). Affected devices load firmware updates without checking the authenticity. Furthermore the integrity of the unencrypted firmware is only verified by a non-cryptographic method. This could allow an attacker to manipulate a firmware update and flash it to the device.

Affected products

Siemens Logo!8 Bm Fs-05 Firmware: before 8.3 — fixed in 8.3
Siemens LOGO! 8 BM (incl. SIPLUS variants): before 8.3 — fixed in 8.3

How to fix

Upgrade to a fixed version: Siemens Logo!8 Bm Fs-05 Firmware 8.3; Siemens LOGO! 8 BM (incl. SIPLUS variants) 8.3. Check the vendor advisory for mitigations.

References

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