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Fencer Vulns
high 7.7

CVE-2023-3285 json

A BOLA vulnerability in POST /appointments in EasyAppointments < 1.5.0

published 2024-07-09 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-43960

cvss
7.7
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 27%
public exploits
0
none known

Summary

A BOLA vulnerability in POST /appointments allows a low privileged user to create an appointment for any user in the system (including admin). This results in unauthorized data manipulation.

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.34% chance of exploitation in the next 30 days, higher than 27% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.7 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/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.