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Fencer Vulns
critical 9.8

CVE-2021-37270 json

There is an unauthorized access vulnerability in the CMS Enterprise Website Construction System 5.0.

published 2021-09-27 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-23842

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.5%
EPSS 1.5% chance of exploitation in 30 days, percentile 74%
public exploits
0
none known

Summary

There is an unauthorized access vulnerability in the CMS Enterprise Website Construction System 5.0. Attackers can use this vulnerability to directly access the specified background path without logging in to the background to obtain the background administrator authority.

Exploit prediction

1.49% chance of exploitation in the next 30 days, higher than 74% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.