How severe is CVE-2023-38952?

CVE-2023-38952 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 high, integrity none, and availability none.

Is CVE-2023-38952 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-38952?

CVE-2023-38952 affects Zkteco Biotime. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-38952?

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-2023-38952 published?

CVE-2023-38952 was published on 2023-08-03 and last updated on 2026-07-05.

CVE-2023-38952

CVE-2023-38952 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. The underlying weakness is classified as CWE-552.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-552
Affected product: Zkteco Biotime
Published: 2023-08-03
Last modified: 2026-07-05

Description

Insecure access control in ZKTeco BioTime through 9.0.1 allows authenticated attackers to escalate their privileges due to the fact that session ids are not validated for the type of user accessing the application by default. Privilege restrictions between non-admin and admin users are not enforced and any authenticated user can leverage admin functions without restriction by making direct requests to administrative endpoints.

Frequently asked questions

What is CVE-2023-38952?: Insecure access control in ZKTeco BioTime through 9.0.1 allows authenticated attackers to escalate their privileges due to the fact that session ids are not validated for the type of user accessing the application by default. Privilege restrictions between non-admin and admin users are not enforced and any authenticated user can leverage admin functions without restriction by making direct requests to administrative endpoints.
How severe is CVE-2023-38952?: CVE-2023-38952 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 high, integrity none, and availability none.
Is CVE-2023-38952 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-38952?: CVE-2023-38952 affects Zkteco Biotime. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-38952?: 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-2023-38952 published?: CVE-2023-38952 was published on 2023-08-03 and last updated on 2026-07-05.

References

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-2023-38950 — High (CVSS 7.5): A path traversal vulnerability in the iclock API of ZKTeco BioTime v8.5.5 allows unauthenticated attackers to read…
CVE-2023-38949 — High (CVSS 7.5): An issue in a hidden API in ZKTeco BioTime v8.5.5 allows unauthenticated attackers to arbitrarily reset the…
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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