CVE-2023-3942 | Multiple SQLi in ZkTeco-based OEM devices

An 'SQL Injection' vulnerability, due to improper neutralization of special elements used in SQL commands, exists in ZKTeco-based OEM devices. This vulnerability allows an attacker to, in some cases, impersonate another user or perform unauthorized actions. In other instances, it enables the attacker to access user data and system parameters from the database. This issue affects ZkTeco-based OEM devices (ZkTeco ProFace X, Smartec ST-FR043, Smartec ST-FR041ME and possibly others) with firmware ZAM170-NF-1.8.25-7354-Ver1.0.0 and possibly other, Standalone service v. 2.1.6-20200907 and possibly others.

Published: 2024-05-21 Last update: 2026-06-17 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2023-3942 is rated Moderate Risk (45.5/100): CVSS High severity, with low exploitation likelihood (EPSS 0.59%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2023-3942

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.16% 0.59% +0.42%
2 2025-09-29 0.09% 0.16% +0.07%
3 2025-04-15 0.09%

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2023-3942

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
3.9 3.6 [email protected]

Weakness enumeration for CVE-2023-3942

Affected software / configurations for CVE-2023-3942

Vendor Product Version Raw CPE
No affected products in dataset.

References for CVE-2023-3942

cvelogic Threat Intelligence