Synology Calendar
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By the Year
In 2025 there have been 0 vulnerabilities in Synology Calendar. Calendar did not have any published security vulnerabilities last year.
| Year | Vulnerabilities | Average Score |
|---|---|---|
| 2025 | 0 | 0.00 |
| 2024 | 0 | 0.00 |
| 2023 | 0 | 0.00 |
| 2022 | 3 | 5.90 |
| 2021 | 1 | 7.50 |
| 2020 | 0 | 0.00 |
| 2019 | 4 | 6.80 |
| 2018 | 2 | 5.95 |
It may take a day or so for new Calendar vulnerabilities to show up in the stats or in the list of recent security vulnerabilties. Additionally vulnerabilities may be tagged under a different product or component name.
Recent Synology Calendar Security Vulnerabilities
Improper limitation of a pathname to a restricted directory ('Path Traversal') vulnerability in webapi component in Synology Calendar before 2.3.4-0631
CVE-2022-27617
4.3 - Medium
- August 03, 2022
Improper limitation of a pathname to a restricted directory ('Path Traversal') vulnerability in webapi component in Synology Calendar before 2.3.4-0631 allows remote authenticated users to download arbitrary files via unspecified vectors.
Directory traversal
Cross-Site Request Forgery (CSRF) vulnerability in webapi component in Synology Calendar before 2.3.4-0631
CVE-2022-22686
8 - High
- July 26, 2022
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.
Session Riding
Improper neutralization of input during web page generation ('Cross-site Scripting') vulnerability in Event Management in Synology Calendar before 2.4.5-10930
CVE-2022-22682
5.4 - Medium
- July 12, 2022
Improper neutralization of input during web page generation ('Cross-site Scripting') vulnerability in Event Management in Synology Calendar before 2.4.5-10930 allows remote authenticated users to inject arbitrary web script or HTML via unspecified vectors.
XSS
Use of hard-coded credentials vulnerability in php component in Synology Calendar before 2.4.0-0761
CVE-2021-34812
7.5 - High
- June 18, 2021
Use of hard-coded credentials vulnerability in php component in Synology Calendar before 2.4.0-0761 allows remote attackers to obtain sensitive information via unspecified vectors.
Use of Hard-coded Credentials
Cross-site scripting (XSS) vulnerability in Event Editor in Synology Calendar before 2.3.0-0615
CVE-2019-11825
5.4 - Medium
- June 30, 2019
Cross-site scripting (XSS) vulnerability in Event Editor in Synology Calendar before 2.3.0-0615 allows remote attackers to inject arbitrary web script or HTML via the title parameter.
XSS
OS command injection vulnerability in drivers_syno_import_user.php in Synology Calendar before 2.3.1-0617
CVE-2019-11829
9.8 - Critical
- June 30, 2019
OS command injection vulnerability in drivers_syno_import_user.php in Synology Calendar before 2.3.1-0617 allows remote attackers to execute arbitrary commands via the crafted 'X-Real-IP' header.
Shell injection
Information exposure through process environment vulnerability in Synology Calendar before 2.3.3-0620
CVE-2019-11820
5.5 - Medium
- May 09, 2019
Information exposure through process environment vulnerability in Synology Calendar before 2.3.3-0620 allows local users to obtain credentials via cmdline.
Insufficiently Protected Credentials
Relative path traversal vulnerability in Attachment Uploader in Synology Calendar before 2.2.2-0532
CVE-2018-13299
6.5 - Medium
- April 01, 2019
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.
Directory traversal
Improper authorization vulnerability in SYNO.Cal.Event in Calendar before 2.1.2-0511
CVE-2018-8927
6.5 - Medium
- June 14, 2018
Improper authorization vulnerability in SYNO.Cal.Event in Calendar before 2.1.2-0511 allows remote authenticated users to create arbitrary events via the (1) cal_id or (2) original_cal_id parameter.
AuthZ
Cross-site scripting (XSS) vulnerability in Notification Center in Synology Calendar before 2.1.1-0502
CVE-2018-8915
5.4 - Medium
- May 10, 2018
Cross-site scripting (XSS) vulnerability in Notification Center in Synology Calendar before 2.1.1-0502 allows remote authenticated users to inject arbitrary web script or HTML via title parameter.
XSS
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