Medium severity6.5NVD Advisory· Published Dec 8, 2017· Updated May 13, 2026

CVE-2017-15891

Description

Improper access control vulnerability in SYNO.Cal.EventBase in Synology Calendar before 2.0.1-0242 allows remote authenticated users to modify calendar event via unspecified vectors.

Affected products

Synology/Calendar
cpe:2.3:a:synology:calendar:*:*:*:*:*:*:*:*
Range: <2.0.1-0242
Synology/Synology Calendarv5
Range: before 2.0.1-0242

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

www.synology.com/en-global/support/security/Synology_SA_17_68_CalendarnvdVendor Advisory

News mentions

No linked articles in our index yet.

cvss	0.423
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000