Hard-coded credentials in SICK AG LMS5xx
Priority MEDIUM 45CWE-798Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-798.
Summary
The LMS5xx uses hard-coded credentials, which potentially allow low-skilled unauthorized remote attackers to reconfigure settings and /or disrupt the functionality of the device.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00946 61st percentileScored 2026-11-07
Fix Fixed LMS5xx (SICK AG): V2.21
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| SICK AG | LMS5xx | before V2.21 | V2.21 | Patch available | CNA |
- LMS5xx VendorSICK AG Affected before V2.21 Fixed in V2.21 Patch available CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:sick:lms531_firmware:*:*:*:*:*:*:*:* | all versions | Vulnerable | SICK AG |
| cpe:2.3:h:sick:lms531:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SICK AG |
| cpe:2.3:o:sick:lms511_firmware:*:*:*:*:*:*:*:* | all versions | Vulnerable | SICK AG |
| cpe:2.3:h:sick:lms511:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SICK AG |
| cpe:2.3:o:sick:lms500_firmware:*:*:*:*:*:*:*:* | all versions | Vulnerable | SICK AG |
| cpe:2.3:h:sick:lms500:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SICK AG |
- cpe:2.3:o:sick:lms531_firmware:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·SICK AG
- cpe:2.3:h:sick:lms531:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SICK AG
- cpe:2.3:o:sick:lms511_firmware:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·SICK AG
- cpe:2.3:h:sick:lms511:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SICK AG
- cpe:2.3:o:sick:lms500_firmware:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·SICK AG
- cpe:2.3:h:sick:lms500:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SICK AG
Remediation
- Fix · CNA LMS5xx (SICK AG) Fixed in V2.21
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
SICK LMS5xx — sick.com/.well-known/csaf/white/2023/sca-2023-0007.pdf
4 records Highest priority Priority MEDIUM 3 MEDIUM, 1 LOW
Other records, highest priority first
- TI-2023-04080 A remote unprivileged attacker can intercept the communication via e.g.Priority MEDIUM 49
- TI-2023-04078 Uncontrolled resource consumption in SICK AG LMS5xxPriority MEDIUM 40
- TI-2023-15030 The LMS5xx uses weak hash generation methods, resulting in the creation of insecure hashs.Priority LOW 39
Timeline
- 2026-10-02 Threatist record created from CVE-2023-4419
- 2026-10-03 Alias added: GHSA-vw3q-rhhx-6vh7
References
More SICK AG Lms500 Firmware vulnerabilities
- TI-2023-04080 A remote unprivileged attacker can intercept the communication via e.g. CVSS 3.1CRITICAL 9.8
- TI-2023-04078 Uncontrolled resource consumption in SICK AG LMS5xx CVSS 3.1HIGH 7.5
- TI-2023-15030 The LMS5xx uses weak hash generation methods, resulting in the creation of insecure hashs. CVSS 3.1HIGH 7.5
- TI-2020-01963 Improper handling of exceptional conditions in Bulkscan LMS111; Bulkscan LMS511; CLV62x… CVSS 3.1HIGH 7.5
Sources
- CVE-2023-4419 · CVE Program
- CVE-2023-4419 · NVD
- FIRST EPSS
- GHSA-vw3q-rhhx-6vh7 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences