What’s Vulnerable › Vulnerabilities

CVE-2017-9339

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-07-17 · updated 2026-06-17

Description

A logical error in ownCloud Server before 10.0.2 caused disclosure of valid share tokens for public calendars. Thus granting an attacker potentially access to publicly shared calendars without knowing the share token.

Affected products

• Owncloud: before 10.0.2 — fixed in 10.0.2

How to fix

Upgrade to a fixed version: Owncloud 10.0.2. Check the vendor advisory for mitigations.

References

• https://owncloud.org/security/advisory/?id=oc-sa-2017-005
• https://owncloud.org/security/advisory/?id=oc-sa-2017-005

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