CVE-2022-27581

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 RFU61x firmware version <v2.25 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 Rfu610-10600 Firmware: before 2.25 — fixed in 2.25
SICK Rfu610-10601 Firmware: before 2.25 — fixed in 2.25
SICK Rfu610-10603 Firmware: before 2.25 — fixed in 2.25
SICK Rfu610-10604 Firmware: before 2.25 — fixed in 2.25
SICK Rfu610-10605 Firmware: before 2.25 — fixed in 2.25
SICK Rfu610-10607 Firmware: before 2.25 — fixed in 2.25
SICK Rfu610-10609 Firmware: before 2.25 — fixed in 2.25
SICK Rfu610-10610 Firmware: before 2.25 — fixed in 2.25
SICK Rfu610-10613 Firmware: before 2.25 — fixed in 2.25
SICK Rfu610-10614 Firmware: before 2.25 — fixed in 2.25
SICK Rfu610-10618 Firmware: before 2.25 — fixed in 2.25
SICK Rfu610-10700 Firmware: before 2.25 — fixed in 2.25

How to fix

Upgrade to a fixed version: SICK Rfu610-10600 Firmware 2.25; SICK Rfu610-10601 Firmware 2.25; SICK Rfu610-10603 Firmware 2.25; SICK Rfu610-10604 Firmware 2.25; SICK Rfu610-10605 Firmware 2.25; SICK Rfu610-10607 Firmware 2.25; SICK Rfu610-10609 Firmware 2.25; SICK Rfu610-10610 Firmware 2.25; SICK Rfu610-10613 Firmware 2.25; SICK Rfu610-10614 Firmware 2.25; SICK Rfu610-10618 Firmware 2.25; SICK Rfu610-10700 Firmware 2.25. Check the vendor advisory for mitigations.

References

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