What is CVE-2021-43703?

CVE-2021-43703 is a critical-severity vulnerability in Zzcms. CVSS score: 9.8/10. Published 2021-12-09.

How severe is CVE-2021-43703?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2021-43703 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Zzcms

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.

EPSS: 0.018 (76.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Zzcms
N/a — versions n/a

Public proof-of-concept exploits

20142995/nuclei-templates
cyb3r-w0lf/nuclei-template-collection

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-43703?: CVE-2021-43703 is a critical-severity vulnerability in Zzcms. CVSS score: 9.8/10. Published 2021-12-09.
How severe is CVE-2021-43703?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2021-43703 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.