CVE-2019-15617
MEDIUMCVSS 5.4/10EPSS 0.61%
Last modified
CVE-2019-15617 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. A missing check in Nextcloud Server 17.0.0 allowed an attacker to set up a new second factor when trying to login.. EPSS estimates a 0.61% chance of exploitation in the next 30 days.
Description
A missing check in Nextcloud Server 17.0.0 allowed an attacker to set up a new second factor when trying to login.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Nextcloud | Nextcloud Server | < 17.0.1 |
References
- https://hackerone.com/reports/722748Permissions Required
- https://nextcloud.com/security/advisory/?id=NC-SA-2020-006Vendor Advisory
- https://hackerone.com/reports/722748Permissions Required
- https://nextcloud.com/security/advisory/?id=NC-SA-2020-006Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-15617?
A missing check in Nextcloud Server 17.0.0 allowed an attacker to set up a new second factor when trying to login.
How severe is CVE-2019-15617?
CVE-2019-15617 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.61% probability of exploitation in the next 30 days.
How do I fix CVE-2019-15617?
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.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2019
- CVE-2019-15611Violation of Secure Design Principles in the iOS App 2.23.0 …4.9
- CVE-2019-15612A bug in Nextcloud Server 15.0.2 causes pending 2FA logins t…5.9
- CVE-2019-15613A bug in Nextcloud Server 17.0.1 causes the workflow rules t…8
- CVE-2019-15614Missing sanitization in the iOS App 2.24.4 causes an XSS whe…5.4
- CVE-2019-15615A wrong check for the system time in the Android App 3.9.0 c…6.1
- CVE-2019-15616Dangling remote share attempts in Nextcloud 16 allow a DNS p…4.3
- CVE-2019-15618Missing escaping of HTML in the Updater of Nextcloud 15.0.5 …4.8
- CVE-2019-15619Improper neutralization of file names, conversation names an…4.8
- CVE-2019-1562Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultID…
- CVE-2019-15620Improper access control in Nextcloud Talk 6.0.3 leaks the ex…2.7
- CVE-2019-15621Improper permissions preservation in Nextcloud Server 16.0.1…6.5
- CVE-2019-15622Not strictly enough sanitization in the Nextcloud Android ap…2.4
Are you affected by CVE-2019-15617?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST