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CVE-2023-4587

19
FAUCET Score

CVE-2023-4587 is an Insecure Direct Object Reference (IDOR) vulnerability affecting ZKTeco ZEM800 products, specifically version 6.60. This flaw allows a local attacker to access sensitive data such as user backup files or device configuration files over a local network or VPN. The vulnerability has a CVSS score of 5.5 (Medium), indicating a low attack complexity and requiring local access, but with a high impact on confidentiality. It does not affect integrity or availability. Currently, there is no evidence of active exploitation, nor are there publicly available exploit modules in Metasploit, Nuclei, or ExploitDB. Community discussion and media coverage for this CVE are minimal.

Impacted Technologies

VendorProductVersion(s)CPE
6.60CPE matchmatch criteria
cpe:2.3:o:zkteco:zem800_firmware:6.60:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.3HIGH

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

Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
LOW
Exploitability Score
2.8
Impact Score
5.5
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.21%
Probability of exploitation in next 30 days
EPSS Percentile
11.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0021 is in the 53rd percentile among its peer group of 15,940 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

incibe.es / en/incibe-cert/notices/aviso/insecure-direct-object-reference-zkteco-zem800
Third Party Advisory