CVE-2022-46832

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 RFU62x firmware version < 2.21 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 Rfu620-10100 Firmware: before 2.21 — fixed in 2.21
SICK Rfu620-10101 Firmware: before 2.21 — fixed in 2.21
SICK Rfu620-10102 Firmware: before 2.21 — fixed in 2.21
SICK Rfu620-10103 Firmware: before 2.21 — fixed in 2.21
SICK Rfu620-10104 Firmware: before 2.21 — fixed in 2.21
SICK Rfu620-10105 Firmware: before 2.21 — fixed in 2.21
SICK Rfu620-10107 Firmware: before 2.21 — fixed in 2.21
SICK Rfu620-10108 Firmware: before 2.21 — fixed in 2.21
SICK Rfu620-10111 Firmware: before 2.21 — fixed in 2.21
SICK Rfu620-10114 Firmware: before 2.21 — fixed in 2.21
SICK Rfu620-10118 Firmware: before 2.21 — fixed in 2.21
SICK Rfu620-10400 Firmware: before 2.21 — fixed in 2.21
SICK Rfu620-10401 Firmware: before 2.21 — fixed in 2.21
SICK Rfu620-10500 Firmware: before 2.21 — fixed in 2.21
SICK Rfu620-10501 Firmware: before 2.21 — fixed in 2.21
SICK Rfu620-10503 Firmware: before 2.21 — fixed in 2.21
SICK Rfu620-10504 Firmware: before 2.21 — fixed in 2.21
SICK Rfu620-10507 Firmware: before 2.21 — fixed in 2.21
SICK Rfu620-10508 Firmware: before 2.21 — fixed in 2.21
SICK Rfu620-10510 Firmware: before 2.21 — fixed in 2.21
SICK Rfu620-10514 Firmware: before 2.21 — fixed in 2.21

How to fix

Upgrade to a fixed version: SICK Rfu620-10100 Firmware 2.21; SICK Rfu620-10101 Firmware 2.21; SICK Rfu620-10102 Firmware 2.21; SICK Rfu620-10103 Firmware 2.21; SICK Rfu620-10104 Firmware 2.21; SICK Rfu620-10105 Firmware 2.21; SICK Rfu620-10107 Firmware 2.21; SICK Rfu620-10108 Firmware 2.21; SICK Rfu620-10111 Firmware 2.21; SICK Rfu620-10114 Firmware 2.21; SICK Rfu620-10118 Firmware 2.21; SICK Rfu620-10400 Firmware 2.21. Check the vendor advisory for mitigations.

References

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