CVE-2018-8927

MEDIUM

Synology Calendar < 2.1.2-0511 - Authenticated Arbitrary Event Creation via cal_id or original_cal_id Parameter

Title source: llm

Description

Improper authorization vulnerability in SYNO.Cal.Event in Calendar before 2.1.2-0511 allows remote authenticated users to create arbitrary events via the (1) cal_id or (2) original_cal_id parameter.

References (1)

Core 1

Core References

Vendor Advisory x_refsource_confirm

https://www.synology.com/en-global/support/security/Synology_SA_18_16

Scores

CVSS v3 5.4

EPSS 0.0012

EPSS Percentile 30.2%

Attack Vector NETWORK

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

Details

CWE

CWE-863

Status published

Products (1)

synology/calendar < 2.1.2-0511

Published Jun 14, 2018

Tracked Since Feb 18, 2026