How severe is CVE-2023-38950?

CVE-2023-38950 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-2023-38950 being actively exploited?

Yes. CVE-2023-38950 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2025-05-19, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2023-38950?

CVE-2023-38950 affects Zkteco Biotime. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-38950?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.

Does CVE-2023-38950 have an EU (EUVD) identifier?

Yes. CVE-2023-38950 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-42710. It is also flagged as exploited in the EUVD (since 2025-05-19).

When was CVE-2023-38950 published?

CVE-2023-38950 was published on 2023-08-03 and last updated on 2026-07-06.

CVE-2023-38950

CVE-2023-38950 is a high-severity vulnerability in Zkteco Biotime with a CVSS 3.x base score of 7.5. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2025-05-19). The underlying weakness is classified as CWE-22.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 85% (100th percentile)
Actively exploited: Yes — listed in CISA KEV (added 2025-05-19)
EU (EUVD) id: EUVD-2023-42710
EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2025-05-19)
Weakness: CWE-22
Affected product: Zkteco Biotime
Published: 2023-08-03
Last modified: 2026-07-06

Description

A path traversal vulnerability in the iclock API of ZKTeco BioTime v8.5.5 allows unauthenticated attackers to read arbitrary files via supplying a crafted payload. This vulnerability was fixed in version 9.0.120240617.19506 of ZKBioTime.

Frequently asked questions

What is CVE-2023-38950?: A path traversal vulnerability in the iclock API of ZKTeco BioTime v8.5.5 allows unauthenticated attackers to read arbitrary files via supplying a crafted payload. This vulnerability was fixed in version 9.0.120240617.19506 of ZKBioTime.
How severe is CVE-2023-38950?: CVE-2023-38950 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-2023-38950 being actively exploited?: Yes. CVE-2023-38950 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2025-05-19, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2023-38950?: CVE-2023-38950 affects Zkteco Biotime. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-38950?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2023-38950 have an EU (EUVD) identifier?: Yes. CVE-2023-38950 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-42710. It is also flagged as exploited in the EUVD (since 2025-05-19).
When was CVE-2023-38950 published?: CVE-2023-38950 was published on 2023-08-03 and last updated on 2026-07-06.

References

Affected products (1)

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

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…
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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-2023-38949 — 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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