CVE-2024-13966: biotime — Fix

Description

ZKTeco BioTime allows unauthenticated attackers to enumerate usernames and log in as any user with a password unchanged from the default value '123456'. Users should change their passwords (located under the Attendance Settings tab as "Self-Password").

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CVSS v3.1 Score

7.3

HIGH

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

Weakness Type (CWE)

CWE-1393 CWE-1393

Affected Products

Vendor	Product	Versions
zkteco	biotime	< 9.0.4

References

Advisories & Patches

https://www.zkteco.com/en/Security_Bulletinsibs/18

Other References

https://krashconsulting.com/fury-of-fingers-biotime-rce/ https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2025/va-25-148-01.json https://www.cve.org/CVERecord?id=CVE-2024-13966 https://zkteco-store.ru/wp-content/uploads/2023/09/ZKBio-CVSecurity-6.0.0-User-Manual_EN-v1.0_20230616.pdf

Frequently Asked Questions

What is CVE-2024-13966? +

ZKTeco BioTime allows unauthenticated attackers to enumerate usernames and log in as any user with a password unchanged from the default value '123456'. Users should change their passwords (located under the Attendance Settings tab as "Self-Password"). It has a CVSS v3.1 base score of 7.3 (HIGH).

How severe is CVE-2024-13966? +

CVE-2024-13966 has a CVSS v3.1 score of 7.3 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-13966? +

CVE-2024-13966 affects products from zkteco, specifically: biotime. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-13966? +

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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