Path traversal in Synology Calendar
Priority LOW 32CWE-23Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA.
Summary
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.
Why it matters now
EPSS 0.01364 71st percentileScored 2026-11-07
Fix Fixed Calendar (Synology): 2.2.2-0532
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
Remediation
- Fix · CNA Calendar (Synology) Fixed in 2.2.2-0532
Timeline
- 2026-10-02 Threatist record created from CVE-2018-13299
- 2026-10-03 Alias added: GHSA-rx7v-r27h-28rm
References
More Synology Calendar vulnerabilities
- TI-2019-08865 OS command injection in Synology Calendar CVSS 3.1CRITICAL 9.8
- TI-2022-06947 Cross-site request forgery in Synology Calendar CVSS 3.1HIGH 8.0
- TI-2021-13806 Hard-coded credentials in Synology Calendar CVSS 3.1HIGH 7.5
- TI-2018-06465 Incorrect authorization in Synology Calendar CVSS 3.0MEDIUM 6.5
- TI-2017-11638 Improper access control in Synology Calendar CVSS 3.0MEDIUM 6.5
- TI-2022-06943 Cross-site scripting in Synology Calendar CVSS 3.1MEDIUM 6.5
Sources
- CVE-2018-13299 · CVE Program
- CVE-2018-13299 · NVD
- FIRST EPSS
- GHSA-rx7v-r27h-28rm · GitHub Advisory Database · CC BY 4.0
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