CVE-2022-46834

Severity: medium (CVSS 6.5 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: 2022-12-13 · updated 2026-06-17
Weakness: CWE-327

Description

Use of a Broken or Risky Cryptographic Algorithm in SICK RFU65x firmware version < v2.21 allows a low-privileged remote attacker to decrypt the encrypted data if the user requested weak cipher suites to be used for encryption via the SSH interface. The patch and installation procedure for the firmware update is available from the responsible SICK customer contact person.

Affected products

SICK Rfu650-10100 Firmware: before 2.21 — fixed in 2.21
SICK Rfu650-10101 Firmware: before 2.21 — fixed in 2.21
SICK Rfu650-10102 Firmware: before 2.21 — fixed in 2.21
SICK Rfu650-10103 Firmware: before 2.21 — fixed in 2.21
SICK Rfu650-10104 Firmware: before 2.21 — fixed in 2.21
SICK Rfu650-10105 Firmware: before 2.21 — fixed in 2.21
SICK Rfu650-10106 Firmware: before 2.21 — fixed in 2.21

How to fix

Upgrade to a fixed version: SICK Rfu650-10100 Firmware 2.21; SICK Rfu650-10101 Firmware 2.21; SICK Rfu650-10102 Firmware 2.21; SICK Rfu650-10103 Firmware 2.21; SICK Rfu650-10104 Firmware 2.21; SICK Rfu650-10105 Firmware 2.21; SICK Rfu650-10106 Firmware 2.21. Check the vendor advisory for mitigations.

References

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