Improper Authorization in SYNO.Cal.Event Affects Synology Calendar Product
CVE-2018-8927

5.4MEDIUM

Key Information:

Vendor

Synology
Status
Calendar
Vendor
CVE Published:
14 June 2018

What is CVE-2018-8927?

The Synology Calendar product is susceptible to an improper authorization vulnerability, allowing remote authenticated users to create arbitrary calendar events. This issue arises due to inadequate validation of the cal_id and original_cal_id parameters, which can be exploited to manipulate calendar entries without proper permissions. Users should update to the latest version to mitigate the risk.

Affected Version(s)

Calendar < 2.1.2-0511

References

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

CVSS V3.1

Score:
5.4
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.
CVE-2018-8927 : Improper Authorization in SYNO.Cal.Event Affects Synology Calendar Product