CVE-2022-27617
CVE-2022-27617 is a medium-severity vulnerability in Synology Calendar with a CVSS 3.x base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.
Key facts
- Severity: Medium (CVSS 3.x base score 5.0)
- EPSS exploit prediction: 1% (57th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-22
- Affected product: Synology Calendar
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2022-27617?
- 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.
- How severe is CVE-2022-27617?
- CVE-2022-27617 has a CVSS 3.x base score of 5.0, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
- Is CVE-2022-27617 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2022-27617?
- CVE-2022-27617 affects Synology Calendar. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2022-27617?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2022-27617 published?
- CVE-2022-27617 was published on 2022-08-03 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:synology:calendar:*:*:*:*:*:*:*:*
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- CVE-2022-22686 — Medium (CVSS 6.5): Cross-Site Request Forgery (CSRF) vulnerability in webapi component in Synology Calendar before 2.3.4-0631 allows…
- CVE-2022-22682 — Medium (CVSS 6.5): Improper neutralization of input during web page generation ('Cross-site Scripting') vulnerability in Event Management…
- CVE-2019-11825 — Medium (CVSS 6.5): Cross-site scripting (XSS) vulnerability in Event Editor in Synology Calendar before 2.3.0-0615 allows remote attackers…
- CVE-2018-8915 — Medium (CVSS 6.5): Cross-site scripting (XSS) vulnerability in Notification Center in Synology Calendar before 2.1.1-0502 allows remote…
- CVE-2017-15891 — Medium (CVSS 6.5): Improper access control vulnerability in SYNO.Cal.EventBase in Synology Calendar before 2.0.1-0242 allows remote…
All CVEs affecting Synology Calendar →
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