Auth bypass in Nextcloud Server
CVE-2019-5449
A missing check in the Nextcloud Server prior to version 15.0.1 causes leaking of calendar event names when adding or modifying confidential or private events.
Vulnerability class: Broken Authentication
EPSS: 0.009 (54.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
Affected products
- Nextcloud Nextcloud_server
- N/a Nextcloud Server — versions 15.0.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- support@hackerone.com (Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2019-5449?
- CVE-2019-5449 is a medium-severity vulnerability in Nextcloud Server, classified under Improper Authentication. CVSS score: 4.3/10. Published 2019-07-30.
- How severe is CVE-2019-5449?
- Medium severity. CVSS v3 base score is 4.3 out of 10.
- Is CVE-2019-5449 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.