CVE-2023-38950 (GCVE-0-2023-38950)
Vulnerability from cvelistv5 – Published: 2023-08-03 00:00 – Updated: 2026-07-09 00:27Summary
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.
Severity
7.5 (High)
SSVC
Exploitation: active
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-05-21 03:55 UTC
CWE
- n/a
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://claroty.com/team82/disclosure-dashboard/c… | |
| https://sploitus.com/exploit?id=PACKETSTORM:177859 | exploit |
| https://www.fortinet.com/content/dam/fortinet/ass… | media-coverage |
| https://www.cisa.gov/known-exploited-vulnerabilit… | government-resource |
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 7da56bd5-2152-4ffd-8c4b-5a65f1abe1fb
Exploited: Yes
Timestamps
First Seen: 2025-05-19
Asserted: 2025-05-19
Scope
Notes: KEV entry: ZKTeco BioTime Path Traversal Vulnerability | Affected: ZKTeco / BioTime | Description: ZKTeco BioTime contains a path traversal vulnerability in the iclock API that allows an unauthenticated attacker to read arbitrary files via supplying a crafted payload. | Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. | Due date: 2025-06-09 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://www.zkteco.com/en/Security_Bulletinsibs ; https://nvd.nist.gov/vuln/detail/CVE-2023-38950
Evidence
Type: Vendor Report
Signal: Successful Exploitation
Confidence: 80%
Source: cisa-kev
Details
| Cwes | CWE-22 |
|---|---|
| Feed | CISA Known Exploited Vulnerabilities Catalog |
| Product | BioTime |
| Due Date | 2025-06-09 |
| Date Added | 2025-05-19 |
| Vendorproject | ZKTeco |
| Vulnerabilityname | ZKTeco BioTime Path Traversal Vulnerability |
| Knownransomwarecampaignuse | Unknown |
References
Created: 2026-02-02 13:24 UTC
| Updated: 2026-02-06 07:53 UTC
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: a22d1f25-cdaa-4c56-a565-2ab9b1be6999
Exploited: Yes
Timestamps
First Seen: 2025-05-21
Asserted: 2025-05-21
Scope
Notes: KEVIntel entry: A path traversal vulnerability in the iclock API of ZKTeco BioTime v8.5.5 allows unauthenticated attackers to read arbitrary files via supplying a... | Affected: ZKTeco / BioTime | CVSS: 7.5 (HIGH) | EPSS: 0.8488 | Used in malware: unknown | Not yet in CISA KEV: False
Evidence
Type: Public Report
Signal: Successful Exploitation
Confidence: 70%
Source: kevintel
Details
| Feed | KEVIntel (kevintel.com) |
|---|---|
| Title | A path traversal vulnerability in the iclock API of ZKTeco BioTime v8.5.5 allows unauthenticated attackers to read arbitrary files via supplying a... |
| Vendor | ZKTeco |
| Product | BioTime |
| Added Date | 2025-05-21T13:10:17.537Z |
| Cvss Score | 7.5 |
| Epss Score | 0.8488 |
| Cvss Severity | HIGH |
| Epss Percentile | 0.99681 |
| Used In Malware | unknown |
| Ahead Of Cisa Kev |
|
| Not Yet In Cisa Kev | False |
References
Created: 2026-06-23 11:12 UTC
| Updated: 2026-06-23 11:12 UTC
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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