A BOLA vulnerability in GET, PUT, DELETE /appointments/{appointmentId} in EasyAppointments < 1.5.0

published 2024-07-09 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-41875

cvss: 9.9; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 36%
public exploits: 0; none known

A BOLA vulnerability in GET, PUT, DELETE /appointments/{appointmentId} allows a low privileged user to fetch, modify or delete an appointment of any user (including admin). This results in unauthorized access and unauthorized data manipulation.

Patch / fix

fixed in 1

alextselegidis easyappointments 1.5.0

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 2 y ago (2024-07-09)

Exploit prediction

0.41% chance of exploitation in the next 30 days, higher than 36% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	9.9	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
NVD	3.1	8.1	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Affected products

alextselegidis easyappointments

Classification

Weakness

CWE-639 Authorization Bypass Through User-Controlled Key

References

github.com /alextselegidis/easyappointments
product

Sources

CVE List CVE-2023-38049
NVD CVE-2023-38049

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.

Summary