CVE-2018-8927

MEDIUM
5.4
CVSS Score
Published: June 14, 2018 at 02:00 PM UTC
Updated: June 17, 2026 at 02:05 AM UTC
1 product affected across 1 vendorCalendar

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Severity
MEDIUM5.4
Exploit prediction
EPSS 0.9%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 2.1.2-0511
Affected range stops below 2.1.2-0511, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

5.4MEDIUMsynology
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
LOW
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-863

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