high Known exploitedREV. 01

CVE-2023-38950ZKTeco BioTime — path traversal reads arbitrary files

The device interface of ZKTeco BioTime 8.5.5 lets an unauthenticated request climb out of its directory and read any file the service can reach — including the configuration holding its database credentials.

YOUR NEXT MOVE

Upgrade BioTime past 9.0.120240617.19506 now; exploit code is public, so rotate the database credentials that configuration holds.

Read the risk

THE VITAL STATS
CVSS score
7.5/ 10
CVSS v3.1
EPSS probability
85%
Likelihood of exploitation
Attack complexity
Low
Conditions needed to exploit
Known exploited
Yes — CISA KEV
CVE published
2023-08-03
Added to KEV
2025-05-19
Exploit published
Yes
Confidence
high
Kill chain
collection
MITRE ATT&CK
T1083
Severity
high

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

Attacker needsNetwork access to the device interface; no credentials needed.

Behind the card

5 REFERENCES
Field-level provenanceTRACE THE SOURCES +

Which source supports each field, when it was retrieved, and who extracted it.

FieldsSourceRetrievedExtractorConfidence
cvss, exploitation.attack_complexity, exploitation.exploit_available, references, published_atnvd.nist.gov2026-09-24scrty-crds-pipeline/0.1high
exploitation.known_exploited, exploitation.kev_addedcisa.gov2026-09-24scrty-crds-pipeline/0.1high
epssapi.first.org2026-09-24scrty-crds-pipeline/0.1high
title, summary, severity, remediation, mitre_attack, kill_chain, recommended_action, confidence, tags, exploitation.prerequisitesnvd.nist.gov2026-09-24claude-codehigh

Printing history

THE RECORD
  1. r1Initial base card

First printing. This card has not been reprinted since publication.

crds:cve-2023-38950 · CRDS 0.1 · Issued 2026-09-24