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Fencer Vulns
medium 6.5

CVE-2021-40579 json

https://www.sourcecodester.com/ Online Enrollment Management System in PHP and PayPal Free Source Code 1.0 is affected by: Incorrect Access…

published 2021-12-28 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-27754

cvss
6.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 59%
public exploits
0
none known

Summary

https://www.sourcecodester.com/ Online Enrollment Management System in PHP and PayPal Free Source Code 1.0 is affected by: Incorrect Access Control. The impact is: gain privileges (remote).

Exploit prediction

0.87% chance of exploitation in the next 30 days, higher than 59% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 4.0 AV:N/AC:L/Au:S/C:P/I:N/A:N

Classification

Weakness
  • CWE-639 Authorization Bypass Through User-Controlled Key

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.