CVE-2018-13299

Severity: medium (CVSS 6.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-04-01 · updated 2026-06-17
Weakness: CWE-23

Description

Relative path traversal vulnerability in Attachment Uploader in Synology Calendar before 2.2.2-0532 allows remote authenticated users to upload arbitrary files via the filename parameter.

Affected products

Synology Calendar: before 2.2.2-0532 — fixed in 2.2.2-0532

How to fix

Upgrade to a fixed version: Synology Calendar 2.2.2-0532. Check the vendor advisory for mitigations.

References

https://www.synology.com/security/advisory/Synology_SA_18_54
https://www.synology.com/security/advisory/Synology_SA_18_54

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