CVE-2024-13966

Q: How do I fix CVE-2024-13966?

Upgrade biotime to 9.0.4 or later.

Q: Is CVE-2024-13966 being actively exploited?

Not that we know of. CVE-2024-13966 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.33% is the estimated probability that it will be exploited in the next 30 days. That is higher than 26% of all scored CVEs.

Q: How severe is CVE-2024-13966?

CVE-2024-13966 has a CVSS v3 base score of 7.3, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

Q: What does CVE-2024-13966 affect?

Published advisories record a fix for biotime (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

HIGH

7.3

CVSS v3

NVD

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").

CWE-1393

How to fix

Remediation Available

biotimeNVD

Affected:< 9.0.4Fixed in:9.0.4CVE-2024-13966derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityLow

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

Exploit Intelligence

0.33%probability of exploitation in 30 days

26thpercentile

Low risk: more likely to be exploited than 26% of all known CVEs.

References

Vendor Advisory1

zkteco.com

Third-Party Advisory3

Product1

zkteco-store.ru

Related Vulnerabilities

Other CWE-1393 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-45249	Critical	9.8	53%	KEV	Fix
CVE-2024-29021	Critical	9.0	20%	-	-
CVE-2025-26793	Unscored	-	2.3%	-	-
CVE-2024-48987	Medium	6.6	1.0%	-	Fix
CVE-2026-2635	High	7.3	1.0%	-	-
CVE-2023-25131	Critical	9.4	1.0%	-	-

Common questions

How do I fix CVE-2024-13966?

Upgrade biotime to 9.0.4 or later.

Is CVE-2024-13966 being actively exploited?

Not that we know of. CVE-2024-13966 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.33% is the estimated probability that it will be exploited in the next 30 days. That is higher than 26% of all scored CVEs.

How severe is CVE-2024-13966?

CVE-2024-13966 has a CVSS v3 base score of 7.3, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2024-13966 affect?

Published advisories record a fix for biotime (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

Embed a live status badge for CVE-2024-13966

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-09-26.