Auth bypass in Zkteco Zem800
CVE-2023-4587
An IDOR vulnerability has been found in ZKTeco ZEM800 product affecting version 6.60. This vulnerability allows a local attacker to obtain registered user backup files or device configuration files over a local network or through a VPN server.
Vulnerability class: IDOR (Insecure Direct Object Reference)
EPSS: 0.002 (11.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.3 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L.
Affected products
- Zkteco Zem800 — versions 6.60
- Zkteco Zem800_firmware — versions 6.60
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve-coordination@incibe.es (Third Party Advisory)
Frequently asked questions
- What is CVE-2023-4587?
- CVE-2023-4587 is a high-severity vulnerability in Zkteco Zem800, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 8.3/10. Published 2023-09-04.
- How severe is CVE-2023-4587?
- High severity. CVSS v3 base score is 8.3 out of 10.
- Is CVE-2023-4587 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.