CVE-2022-42953

HIGH EXPLOITED

ZKTeco ZEM and ZMM Firmware - Unauthenticated Sensitive Information Exposure via Direct Request

Title source: llm
STIX 2.1

Exploitation Summary

CVE-2022-42953 has been observed exploited in the wild (reported by VulnCheck KEV). EIP tracks 1 public exploit from researchers including RedTeam Pentesting GmbH.

AI-analyzed exploit summary The exploit details a missing authentication vulnerability in ZKTeco ZEM/ZMM devices, allowing unauthenticated access to sensitive employee data and credentials via specific URLs. The proof of concept demonstrates how to retrieve backup files and user details without authentication.

Description

Certain ZKTeco products (ZEM500-510-560-760, ZEM600-800, ZEM720, ZMM) allow access to sensitive information via direct requests for the form/DataApp?style=1 and form/DataApp?style=0 URLs. The affected versions may be before 8.88 (ZEM500-510-560-760, ZEM600-800, ZEM720) and 15.00 (ZMM200-220-210). The fixed versions are firmware version 8.88 (ZEM500-510-560-760, ZEM600-800, ZEM720) and firmware version 15.00 (ZMM200-220-210).

Exploits (1)

exploitdb WRITEUP
by RedTeam Pentesting GmbH · textwebappsjsp
https://www.exploit-db.com/exploits/51112

The exploit details a missing authentication vulnerability in ZKTeco ZEM/ZMM devices, allowing unauthenticated access to sensitive employee data and credentials via specific URLs. The proof of concept demonstrates how to retrieve backup files and user details without authentication.

Classification
Writeup 100%
Attack Type
Auth Bypass
Complexity
Trivial
Reliability
Reliable
Target: ZKTeco ZEM/ZMM 8.88 and below
No auth needed
Prerequisites: Network access to the vulnerable device
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (2)

Core 2

Scores

CVSS v3 7.5
EPSS 0.0483
EPSS Percentile 90.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

VulnCheck KEV 2024-01-06
CWE
CWE-425
Status published
Products (10)
zkteco/zem500_firmware < 8.88
zkteco/zem510_firmware < 8.88
zkteco/zem560_firmware < 8.88
zkteco/zem600_firmware < 8.88
zkteco/zem720_firmware < 8.88
zkteco/zem760_firmware < 8.88
zkteco/zem800_firmware < 8.88
zkteco/zmm200_firmware < 15.00
zkteco/zmm210_firmware < 15.00
zkteco/zmm220_firmware < 15.00
Published Dec 25, 2022
Tracked Since Feb 18, 2026