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Fencer Vulns
medium 5.3

CVE-2025-15128 json

ZKTeco BioTime Endpoint safe_setting credentials storage

published 2025-12-28 10 mo ago modified 2026-10-07 33 d ago also EUVD-2025-205498

cvss
5.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 21%
public exploits
0
none known

Summary

A vulnerability was detected in ZKTeco BioTime up to 9.0.3/9.0.4/9.5.2. This affects an unknown part of the file /base/safe_setting/ of the component Endpoint. Performing a manipulation of the argument backup_encryption_password_decrypt/export_encryption_password_decrypt results in unprotected storage of credentials. Remote exploitation of the attack is possible. The exploit is now public and may be used. Upgrading to version 9.0.6 is able to mitigate this issue. It is recommended to upgrade the affected component. The vendor confirms: "The mainstream version ZKBioTime V9.0.6 has fixed this vulnerability. Please update to the latest version as soon as possible. For the Middle East version BioTime 9.5.X, you can contact the local technical support to obtain the fix package."

Patch / fix

  • ZKTeco BioTime 9.0.6

CISA SSVC

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

Exploit prediction

0.28% chance of exploitation in the next 30 days, higher than 21% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/ionutluca888/IDOR-POC-ZKBio-Time/tree/main referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 4.0 6.9 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
CNA 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C
CNA 3.0 5.3 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C
CNA 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N/E:POC/RL:OF/RC:C
CNA 4.0 5.5 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CNA 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CNA 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N

Affected products

  • ZKTeco BioTime

Classification

Weakness
  • CWE-256 Plaintext Storage of a Password
  • CWE-255 Credentials Management Errors

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.