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Fencer Vulns
medium 5.0

CVE-2023-3290 json

A BOLA vulnerability in POST /customers in EasyAppointments < 1.5.0

published 2024-07-09 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-43965

cvss
5.0
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 22%
public exploits
0
none known

Summary

A BOLA vulnerability in POST /customers allows a low privileged user to create a low privileged user (customer) in the system. This results in unauthorized data manipulation.

Patch / fix

  • easyappointments easyappointments 1.5.0

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.29% chance of exploitation in the next 30 days, higher than 22% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 5.0 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N
NVD 3.1 5.0 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N

Affected products

  • alextselegidis easyappointments

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.