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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.002 (11.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 11th percentile — 11.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000
Affected products
- Zkteco Zem800 — versions 6.60
- Zkteco Zem800 Firmware — versions 6.60
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.incibe.es/en/incibe-cert/notices/aviso/insecure-direct-object-reference-zkt… (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.