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7.5
CVE-2021-39434: 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.
CVE-2021-39434 · published 3 years ago
Summary
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.
What to do
The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| zkteco | zktime |
>= 10.0, <= 11.1.0 11.1.0 cpe:2.3:a:zkteco:zktime:*:*:*:*:*:*:*:* |
Original advisory text
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.
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.
References
- https://www.cnvd.org.cn/flaw/show/CNVD-2018-26041 Third Party Advisory
Internet-facing
60 days
Internal
At next upgrade
- Not known to be exploited
- Needs hands-on effort to exploit
- Gives an attacker partial control
Type
CWE-521Weak Password Requirements
Timeline
Published6 Dec 2022
Updated4 Nov 2026
First seen29 Sep 2026
Sources
CVE-2021-39434 · NVD
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