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Fencer Vulns
high 7.5

CVE-2022-42953 json

Certain ZKTeco products (ZEM500-510-560-760, ZEM600-800, ZEM720, ZMM) allow access to sensitive information via direct requests for the for…

published 2022-12-25 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-46008

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
5.2%
EPSS 5.2% chance of exploitation in 30 days, percentile 92%
public exploits
1
Exploit-DB

Summary

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).

Patch / fix

  • zkteco zmm200_firmware 15.00
  • zkteco zmm210_firmware 15.00
  • zkteco zmm220_firmware 15.00
  • zkteco zem720_firmware 8.88
  • zkteco zem600_firmware 8.88
  • zkteco zem800_firmware 8.88
  • zkteco zem510_firmware 8.88
  • zkteco zem560_firmware 8.88
  • zkteco zem760_firmware 8.88
  • zkteco zem500_firmware 8.88

Timeline

  1. Published
  2. First public exploit (EDB-51112)

CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
partial
Assessed
18 mo ago

Exploit prediction

5.16% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-51112 ZKTeco ZEM/ZMM 8.88 - Missing Authentication webapps, 2023-03-28
  • redteam-pentesting.de https://www.redteam-pentesting.de/en/advisories/-advisories-publicised-vulnerability-analyses referenced PoC, tagged "exploit" by a source, unverified
  • seclists.org https://seclists.org/fulldisclosure/2022/Oct/23 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Classification

Weakness

References

Sources

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.