Vulnerability · Published Feb 27, 2026 · Assigned by SICK AG
CVE-2026-1627
Medium 6.5
In plain English
A medium-severity broken cryptography in SICK LMS1000 from SICK AG. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 15% of all known vulnerabilities).
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.2%top 85.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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An attacker may exploit the use of outdated and weak MAC algorithms in the device’s SSH service to potentially compromise the integrity of the SSH session, allowing manipulation of transmitted data if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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| SICK AG | SICK LMS1000 | 0 – through <=2.4.0 |
| SICK AG | SICK MRS1000 | 0 – through <=2.4.0 |
Weakness: CWE-327 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
References
- https://sick.com/psirt x_SICK PSIRT Security Advisories
- https://www.sick.com/media/docs/9/19/719/special_information_sick_operating_guidelines_cybersecurity_by_sick_en_im0106719.pdf x_SICK Operating Guidelines
- https://www.cisa.gov/resources-tools/resources/ics-recommended-practices x_ICS-CERT recommended practices on Industrial Security
- https://www.first.org/cvss/calculator/3.1 x_CVSS v3.1 Calculator
- https://www.sick.com/.well-known/csaf/white/2026/sca-2026-0005.json x_The canonical URL.
- https://www.sick.com/.well-known/csaf/white/2026/sca-2026-0005.pdf vendor-advisory