What’s Vulnerable › Vulnerabilities

CVE-2018-16465

• Severity: medium (CVSS 5.3 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-10-30 · updated 2026-06-17
• Weakness: CWE-287

Description

Missing state in Nextcloud Server prior to 14.0.0 would not enforce the use of a second factor at login if the the provider of the second factor failed to load.

Affected products

• Nextcloud Server: before 14.0.0 — fixed in 14.0.0

How to fix

Upgrade to a fixed version: Nextcloud Server 14.0.0. Check the vendor advisory for mitigations.

References

• https://hackerone.com/reports/317711
• https://nextcloud.com/security/advisory/?id=NC-SA-2018-011
• https://hackerone.com/reports/317711
• https://nextcloud.com/security/advisory/?id=NC-SA-2018-011

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