CVE-2021-39434 | BDVDB-2026-189784 Detail

Description#

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.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact none, availability impact none. Attack vector: network.

Weaknesses#

CWE-521 Weak Password Requirements

References#

https://www.cnvd.org.cn/flaw/show/CNVD-2018-26041

Exploit#

No public exploit known

History#

Version 12022-12-05Record published in the CVE List.
Version 22025-04-24Most recent update recorded in the CVE List.

Published

Published: 2022-12-05
Last modified: 2025-04-24

Vendor information

Vendor: Not stated
Product: Not stated

Score

7.5 High

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 47.2.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

No version data in the source record.

Scoring System

CVSS v4.0

Not available

CVSS v3.1

7.5 High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality	High
Integrity	None
Availability	None

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).