CVE Vulnerabilities

CVE-2021-39434

Weak Password Requirements

Published: Dec 06, 2022 | Modified: Apr 24, 2025
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS 2.x
RedHat/V2
RedHat/V3
Ubuntu
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A default username and password for an administrator account was discovered in ZKTeco ZKTime 10.0 through 11.1.0, builds 20180901, 20190510.1, 20200309.3, 20200930, 20201231, and 20210220.

Weakness

The product does not require that users should have strong passwords.

Affected Software

NameVendorStart VersionEnd Version
ZktimeZkteco10.0 (including)11.1.0 (including)
ZktimeZkteco11.1.0 (including)11.1.0 (including)
ZktimeZkteco11.1.0-20180901 (including)11.1.0-20180901 (including)
ZktimeZkteco11.1.0-20190510.1 (including)11.1.0-20190510.1 (including)
ZktimeZkteco11.1.0-20200309.3 (including)11.1.0-20200309.3 (including)
ZktimeZkteco11.1.0-20200930 (including)11.1.0-20200930 (including)
ZktimeZkteco11.1.0-20201231 (including)11.1.0-20201231 (including)
ZktimeZkteco11.1.0-20210220 (including)11.1.0-20210220 (including)

Potential Mitigations

  • A product’s design should require adherance to an appropriate password policy. Specific password requirements depend strongly on contextual factors, but it is recommended to contain the following attributes:

  • Depending on the threat model, the password policy may include several additional attributes.

  • See NIST 800-63B [REF-1053] for further information on password requirements.

References