CVE-2025-27594 (CVSS 7.5)

Description

The device uses an unencrypted, proprietary protocol for communication. Through this protocol, configuration data is transmitted and device authentication is performed. An attacker can thereby intercept the authentication hash and use it to log into the device using a pass-the-hash attack.

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CVSS v3.1 Score

7.5

HIGH

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

Weakness Type (CWE)

CWE-319 CWE-319

References

Other References

https://cdn.sick.com/media/docs/1/11/411/Special_information_CYBERSECURITY_BY_SICK_en_IM0084411.PDF https://github.security.telekom.com/2025/03/multiple-vulnerabilities-in-sick-dl100.html https://sick.com/psirt https://www.cisa.gov/resources-tools/resources/ics-recommended-practices https://www.first.org/cvss/calculator/3.1 https://www.sick.com/.well-known/csaf/white/2025/sca-2025-0004.json https://www.sick.com/.well-known/csaf/white/2025/sca-2025-0004.pdf

Frequently Asked Questions

What is CVE-2025-27594? +

The device uses an unencrypted, proprietary protocol for communication. Through this protocol, configuration data is transmitted and device authentication is performed. An attacker can thereby intercept the authentication hash and use it to log into the device using a pass-the-hash attack. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2025-27594? +

CVE-2025-27594 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

How do I check if I'm vulnerable to CVE-2025-27594? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2025-27594