CVE-2021-3325
Last modified
CVE-2021-3325 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Monitorix 3.13.0 allows remote attackers to bypass Basic Authentication in a default installation (i.e., an installation without a hosts_deny option). This issue occurred because a new access-control feature was introduced without considering that some exiting installations became unsafe, upon an update to 3.13.0, unless the new feature was immediately configured.. EPSS estimates a 2.23% chance of exploitation in the next 30 days.
Description
Monitorix 3.13.0 allows remote attackers to bypass Basic Authentication in a default installation (i.e., an installation without a hosts_deny option). This issue occurred because a new access-control feature was introduced without considering that some exiting installations became unsafe, upon an update to 3.13.0, unless the new feature was immediately configured.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Fibranet | Monitorix | 3.13.0 |
| Fedoraproject | Fedora | 32 |
| Fedoraproject | Fedora | 33 |
References
- https://github.com/mikaku/Monitorix/commit/d6816e20da1a98bcdc6372d9c36a093df5238f4aPatch, Third Party Advisory
- https://github.com/mikaku/Monitorix/compare/v3.13.0...v3.13.1Patch, Third Party Advisory
- https://github.com/mikaku/Monitorix/issues/309Exploit, Issue Tracking, Third Party Advisory
- https://www.monitorix.org/news.html?n=20210127Release Notes, Vendor Advisory
- https://github.com/mikaku/Monitorix/commit/d6816e20da1a98bcdc6372d9c36a093df5238f4aPatch, Third Party Advisory
- https://github.com/mikaku/Monitorix/compare/v3.13.0...v3.13.1Patch, Third Party Advisory
- https://github.com/mikaku/Monitorix/issues/309Exploit, Issue Tracking, Third Party Advisory
- https://www.monitorix.org/news.html?n=20210127Release Notes, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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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.
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