CVE-2022-46834: Sick RFU650-10100 Firmware

Medium severity, CVSS 6.5. EPSS: 0.3% chance of exploitation in the next 30 days.

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)

Published 2022-12-13. Last modified 2026-06-17.