CVE-2026-1627 PUBLISHED

Assigner: SICK AG
Reserved: 29.01.2026 Published: 27.02.2026 Updated: 27.02.2026

An attacker may exploit the use of outdated and weak MAC algorithms in the device’s SSH service to potentially compromise the integrity of the SSH session, allowing manipulation of transmitted data if the attacker can interact with the network traffic.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
CVSS Score: 6.5

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	None
Privileges Required	None	Integrity Impact	High
User Interaction	Required	Availability Impact	None

CVSS 3.1

Product Status

Vendor	SICK AG
Product	SICK LMS1000
Versions	Default: unaffected affected from 0 to <=2.4.0 (incl.)

Vendor	SICK AG
Product	SICK MRS1000
Versions	Default: unaffected affected from 0 to <=2.4.0 (incl.)

Solutions

Users are strongly recommended to upgrade to release version 2.4.1.

References

Problem Types

CWE-327 Use of a Broken or Risky Cryptographic Algorithm CWE