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CRITICAL

CVE-2021-43703

CVSS v3

9.8

CRITICAL

EPSS Score

1.8 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

An Incorrect Access Control vulnerability exists in zzcms less than or equal to 2019 via admin.php. After disabling JavaScript, you can directly access the administrator console.

Technical details

Published
2021-12-09

Frequently asked questions

What is CVE-2021-43703?

An Incorrect Access Control vulnerability exists in zzcms less than or equal to 2019 via admin.php. After disabling JavaScript, you can directly access the administrator console.

Is CVE-2021-43703 actively exploited?

Active exploitation of CVE-2021-43703 has not been confirmed. Its EPSS score was 1.8% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-43703?

CVE-2021-43703 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2021-43703 affecting your environment?

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