CVE-2026-1627

Weak MAC Algorithms Compromise SSH Integrity on SICK LMS1000 and MRS1000

Published Feb 27, 2026 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Description
An attacker may exploit the use of outdated and weak MAC algorithms in the device’s SSH service to potentially compromise the integrity of the SSH session, allowing manipulation of transmitted data if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.

Remediation

Vendor Solution

Users are strongly recommended to upgrade to release version 2.4.1.

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title Weak MAC Algorithms Compromise SSH Integrity on SICK LMS1000 and MRS1000
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Sick
Sick lms1000
Sick lms1000 Firmware
Sick mrs1000
Sick mrs1000 Firmware
CPEs cpe:2.3:h:sick:lms1000:-:*:*:*:*:*:*:*
cpe:2.3:h:sick:mrs1000:-:*:*:*:*:*:*:*
cpe:2.3:o:sick:lms1000_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:sick:mrs1000_firmware:*:*:*:*:*:*:*:*
Vendors & Products Sick
Sick lms1000
Sick lms1000 Firmware
Sick mrs1000
Sick mrs1000 Firmware
Type Values Removed Values Added
First Time appeared Sick Ag
Sick Ag sick Lms1000
Sick Ag sick Mrs1000
Vendors & Products Sick Ag
Sick Ag sick Lms1000
Sick Ag sick Mrs1000
Type Values Removed Values Added
Description An attacker may exploit the use of outdated and weak MAC algorithms in the device’s SSH service to potentially compromise the integrity of the SSH session, allowing manipulation of transmitted data if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.
Weaknesses CWE-327
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
SICK AG
Published
Updated
Mar 6, 2026, 6:43 PM
Reserved
Jan 29, 2026, 3:06 PM
Status
Analyzed
Published
Feb 27, 2026, 9:16 AM
Modified
Jun 17, 2026, 10:16 AM