What’s Vulnerable › Vulnerabilities

CVE-2019-15611

• Severity: medium (CVSS 4.9 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-02-04 · updated 2026-06-17
• Weakness: CWE-657

Description

Violation of Secure Design Principles in the iOS App 2.23.0 causes the app to leak its login and token to other Nextcloud services when search e.g. for federated users or registering for push notifications.

Affected products

• com.nextcloud.client: before 2.24.0 — fixed in 2.24.0

How to fix

Upgrade to a fixed version: com.nextcloud.client 2.24.0. Check the vendor advisory for mitigations.

References

• https://hackerone.com/reports/672623
• https://nextcloud.com/security/advisory/?id=NC-SA-2019-017
• https://hackerone.com/reports/672623
• https://nextcloud.com/security/advisory/?id=NC-SA-2019-017

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