GHSA-3c33-3465-fhx2 CVE-2020-15877
Exposure of Resource to Wrong Sphere in LibreNMS
- Severity
- 8.8 / 10
- High · CVSS 3.1
- Exploit chance (EPSS)
- 1.92%
- Chance of exploitation in the next 30 days. Higher than 79.88% of scored vulnerabilities.
- Known exploited
- No
- Not in CISA's catalog
- Weakness
- CWE-668 Exposure of Resource to Wrong Sphere
- Fix
1.65.1- Upgrade librenms/librenms to this version or later
Description
An issue was discovered in LibreNMS before 1.65.1. It has insufficient access control for normal users because of "'guard' => 'admin'" instead of "'middleware' => ['can:admin']" in routes/web.php.
Affected versions
Packagist
| Package | Vulnerable | Fixed in |
|---|---|---|
| librenms/librenms | < 1.65.1 |
1.65.1 |
How to fix
Move to the fixed version or later with your package manager, update the lockfile, and run your tests. If the package only arrives through another dependency, upgrade that dependency first. If none of its releases pulls a fixed version yet, force the version with your package manager's override.
librenms/librenms Packagist → 1.65.1
- composer
composer require librenms/librenms:^1.65.1
Severity breakdown
CVSS 3.1 8.8
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Weakness
CWE-668: Exposure of Resource to Wrong Sphere
The product exposes a resource to the wrong control sphere, providing unintended actors with inappropriate access to the resource.
References
Advisories
Other links
Timeline
- Published
- Last updated by the source
- Latest EPSS score
Related advisories
| Advisory | Severity | Why it's related |
|---|---|---|
| GHSA-7w8c-qgxg-m7jx LibreNMS — Stored XSS via SNMP/Syslog Data in Legacy Templates | High | Also affects librenms/librenms |
| GHSA-7gww-x7fh-jf9j LibreNMS: SSRF-driven stored XSS via Oxidized API response fields in device showconfig page | Critical | Also affects librenms/librenms |
| GHSA-7cj5-v4pp-v632 LibreNMS: Stored XSS via graph_descr admin config settings echoed without escaping to all authenticated users | Medium | Also affects librenms/librenms |
| GHSA-jf24-8g2h-2wg7 LibreNMS Vulnerable to Remote Code Execution via AboutController | High | Also affects librenms/librenms |
| GHSA-c9fv-cgmm-2wg7 LibreNMS Vulnerable to Remote Code Execution by Signal Alert Transportation module | High | Also affects librenms/librenms |
| GHSA-jmqm-f8q4-v7wx LibreNMS: Reflected XSS via Proxmox instance/vmid GET parameters injected into document.title JavaScript assignment | Medium | Also affects librenms/librenms |
| GHSA-5gm9-622f-qcg5 LibreNMS: Cross-Site Scripting in ShowConfigController | Medium | Also affects librenms/librenms |
| GHSA-pr3g-phhr-h8fh LibreNMS is Vulnerable to Remote Code Execution by Arbitrary File Write | High | Also affects librenms/librenms |
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