CVE-2019-5455

Name: CVE-2019-5455
Creator: NVD / NIST
Published: 2019-07-30T21:15:11.977+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.8/10EPSS 0.46%

Last modified Jun 17, 2026

CVE-2019-5455 is a medium-severity vulnerability rated 6.8/10 on the CVSS scale. Bypassing lock protection exists in Nextcloud Android app 3.6.0 when creating a multi-account and aborting the process.. EPSS estimates a 0.46% chance of exploitation in the next 30 days.

Description

Bypassing lock protection exists in Nextcloud Android app 3.6.0 when creating a multi-account and aborting the process.

Metrics

CVSS 3.1

6.8/10

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.46%

36.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Nextcloud	Nextcloud	3.6.0

References

https://hackerone.com/reports/490946Exploit, Third Party Advisory
https://hackerone.com/reports/490946Exploit, Third Party Advisory

Timeline

Published: Jul 30, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-5455?

Bypassing lock protection exists in Nextcloud Android app 3.6.0 when creating a multi-account and aborting the process.

How severe is CVE-2019-5455?

CVE-2019-5455 has a CVSS score of 6.8/10 (MEDIUM severity). The EPSS model estimates a 0.46% probability of exploitation in the next 30 days.

How do I fix CVE-2019-5455?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-5455?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST