Insecure direct object reference in ZKTeco ZEM800

published 2023-09-04 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-54440

cvss: 8.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 12%
public exploits: 0; none known

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.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 2 y ago (2024-05-28)

Exploit prediction

0.22% chance of exploitation in the next 30 days, higher than 12% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	8.3	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
NVD	3.1	5.5	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected products

ZKTeco ZEM800

Classification

Weakness

CWE-639 Authorization Bypass Through User-Controlled Key

References

incibe.es /en/incibe-cert/notices/aviso/insecure-direct-object-reference-zkteco-zem800
third-party-advisory

Sources

CVE List CVE-2023-4587
NVD CVE-2023-4587

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary