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HIGH

CVE-2021-45347

CVSS v3

7.5

HIGH

EPSS Score

1.2 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

An Incorrect Access Control vulnerability exists in zzcms 8.2, which lets a malicious user bypass authentication by changing the user name in the cookie to use any password.

Technical details

Published
2022-02-14

Frequently asked questions

What is CVE-2021-45347?

An Incorrect Access Control vulnerability exists in zzcms 8.2, which lets a malicious user bypass authentication by changing the user name in the cookie to use any password.

Is CVE-2021-45347 actively exploited?

Active exploitation of CVE-2021-45347 has not been confirmed. Its EPSS score was 1.2% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-45347?

CVE-2021-45347 has a CVSS v3 base score of 7.5 (HIGH severity).

Is CVE-2021-45347 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.

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