Cross-site request forgery in Synology Calendar
Priority LOW 35CWE-352Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Tampering
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-352.
Summary
Cross-Site Request Forgery (CSRF) vulnerability in webapi component in Synology Calendar before 2.3.4-0631 allows remote authenticated users to hijack the authentication of administrators via unspecified vectors.
Why it matters now
EPSS 0.00341 27th percentileScored 2026-11-07
Fix Fixed Synology Calendar (Synology): 2.3.4-0631
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
Remediation
- Fix · CNA Synology Calendar (Synology) Fixed in 2.3.4-0631
Timeline
- 2026-10-02 Threatist record created from CVE-2022-22686
- 2026-10-03 Alias added: GHSA-pp3f-g5wr-f3gv
References
More Synology Calendar vulnerabilities
- TI-2019-08865 OS command injection in Synology Calendar CVSS 3.1CRITICAL 9.8
- TI-2021-13806 Hard-coded credentials in Synology Calendar CVSS 3.1HIGH 7.5
- TI-2018-09547 Path traversal in Synology Calendar CVSS 3.0MEDIUM 6.5
- 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-2022-22686 · CVE Program
- CVE-2022-22686 · NVD
- FIRST EPSS
- GHSA-pp3f-g5wr-f3gv · GitHub Advisory Database · CC BY 4.0
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