How severe is CVE-2023-38949?

CVE-2023-38949 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2023-38949 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-38949?

CVE-2023-38949 affects Zkteco Biotime. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-38949?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-38949 published?

CVE-2023-38949 was published on 2023-08-03 and last updated on 2026-07-09.

CVE-2023-38949

CVE-2023-38949 is a high-severity vulnerability in Zkteco Biotime with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (28th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Zkteco Biotime
Published: 2023-08-03
Last modified: 2026-07-09

Description

An issue in a hidden API in ZKTeco BioTime v8.5.5 allows unauthenticated attackers to arbitrarily reset the Administrator password via a crafted web request.

Frequently asked questions

What is CVE-2023-38949?: An issue in a hidden API in ZKTeco BioTime v8.5.5 allows unauthenticated attackers to arbitrarily reset the Administrator password via a crafted web request.
How severe is CVE-2023-38949?: CVE-2023-38949 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2023-38949 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-38949?: CVE-2023-38949 affects Zkteco Biotime. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-38949?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-38949 published?: CVE-2023-38949 was published on 2023-08-03 and last updated on 2026-07-09.

References

https://claroty.com/team82/disclosure-dashboard/cve-2023-38949

Affected products (1)

cpe:2.3:a:zkteco:biotime:8.5.5:*:*:*:*:*:*:*

More vulnerabilities in Zkteco Biotime

CVE-2023-38951 — Critical (CVSS 9.8): ZKTeco BioTime 8.5.5 through 9.x before 9.0.1 (20240617.19506) allows authenticated attackers to create or overwrite…
CVE-2023-51142 — High (CVSS 7.5): An issue in ZKTeco BioTime v.8.5.4 and before allows a remote attacker to obtain sensitive information.
CVE-2023-38952 — High (CVSS 7.5): Insecure access control in ZKTeco BioTime through 9.0.1 allows authenticated attackers to escalate their privileges due…
CVE-2023-38950 — High (CVSS 7.5): A path traversal vulnerability in the iclock API of ZKTeco BioTime v8.5.5 allows unauthenticated attackers to read…
CVE-2024-13966 — High (CVSS 7.3): ZKTeco BioTime allows unauthenticated attackers to enumerate usernames and log in as any user with a password unchanged…
CVE-2022-38803 — Medium (CVSS 6.8): Zkteco BioTime < 8.5.3 Build:20200816.447 is vulnerable to Incorrect Access Control via Leave, overtime, Manual log. An…

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