What’s Vulnerable › Vulnerabilities

CVE-2019-15612

• Severity: medium (CVSS 5.9 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% 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-384

Description

A bug in Nextcloud Server 15.0.2 causes pending 2FA logins to not be correctly expired when the password of the user is reset.

Affected products

• Nextcloud Server: from 13.0.0 before 13.0.11; from 14.0.0 before 14.0.7; from 15.0.0 before 15.0.3 — fixed in 13.0.11, 14.0.7, 15.0.3

How to fix

Upgrade to a fixed version: Nextcloud Server 13.0.11, 14.0.7, 15.0.3. Check the vendor advisory for mitigations.

References

• https://hackerone.com/reports/486693
• https://nextcloud.com/security/advisory/?id=NC-SA-2020-001
• https://hackerone.com/reports/486693
• https://nextcloud.com/security/advisory/?id=NC-SA-2020-001

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