CVE-2026-1627

An attacker may exploit the use of outdated and weak MAC algorithms in the device’s SSH service to potentially compromise the integrity of the SSH session, allowing manipulation of transmitted data if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

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://sick.com/psirt	Vendor Advisory
https://www.cisa.gov/resources-tools/resources/ics-recommended-practices	US Government Resource
https://www.first.org/cvss/calculator/3.1	Not Applicable
https://www.sick.com/.well-known/csaf/white/2026/sca-2026-0005.json	Vendor Advisory
https://www.sick.com/.well-known/csaf/white/2026/sca-2026-0005.pdf	Vendor Advisory
https://www.sick.com/media/docs/9/19/719/special_information_sick_operating_guidelines_cybersecurity_by_sick_en_im0106719.pdf	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:sick:lms1000_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:sick:lms1000:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:sick:mrs1000_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:sick:mrs1000:-:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-02-27 09:16

Updated : 2026-03-05 02:11

NVD link : CVE-2026-1627

Mitre link : CVE-2026-1627

CVE.ORG link : CVE-2026-1627

JSON object : View

Products Affected

sick

lms1000_firmware
lms1000
mrs1000_firmware
mrs1000

CWE

CWE-327

Use of a Broken or Risky Cryptographic Algorithm

{"id": "CVE-2026-1627", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "psirt@sick.de", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.8}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.1, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.2, "exploitabilityScore": 2.8}]}, "published": "2026-02-27T09:16:16.050", "references": [{"url": "https://sick.com/psirt", "tags": ["Vendor Advisory"], "source": "psirt@sick.de"}, {"url": "https://www.cisa.gov/resources-tools/resources/ics-recommended-practices", "tags": ["US Government Resource"], "source": "psirt@sick.de"}, {"url": "https://www.first.org/cvss/calculator/3.1", "tags": ["Not Applicable"], "source": "psirt@sick.de"}, {"url": "https://www.sick.com/.well-known/csaf/white/2026/sca-2026-0005.json", "tags": ["Vendor Advisory"], "source": "psirt@sick.de"}, {"url": "https://www.sick.com/.well-known/csaf/white/2026/sca-2026-0005.pdf", "tags": ["Vendor Advisory"], "source": "psirt@sick.de"}, {"url": "https://www.sick.com/media/docs/9/19/719/special_information_sick_operating_guidelines_cybersecurity_by_sick_en_im0106719.pdf", "tags": ["Vendor Advisory"], "source": "psirt@sick.de"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "psirt@sick.de", "description": [{"lang": "en", "value": "CWE-327"}]}], "descriptions": [{"lang": "en", "value": "An attacker may exploit the use of outdated and weak MAC algorithms in the device\u2019s 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."}, {"lang": "es", "value": "Un atacante puede explotar el uso de algoritmos MAC obsoletos y d\u00e9biles en el servicio SSH del dispositivo para comprometer potencialmente la integridad de la sesi\u00f3n SSH, permitiendo la manipulaci\u00f3n de los datos transmitidos si el atacante puede interactuar con el tr\u00e1fico de red."}], "lastModified": "2026-03-05T02:11:28.757", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:sick:lms1000_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "88192768-5BFB-4267-BF9A-7D35C79DC6AA", "versionEndExcluding": "2.4.1"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:sick:lms1000:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "909B274C-06A9-4AFB-A298-6E32A0BD11B7"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:sick:mrs1000_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "487CA09F-7ECD-4A1F-A2CF-DAA9FA6C68BF", "versionEndExcluding": "2.4.1"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:sick:mrs1000:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "A99E9D30-4967-46EB-A046-8FD8718FD9EA"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "psirt@sick.de"}