CVE-2020-15877
HIGHCVSS 8.8/10EPSS 1.92%
Last modified
CVE-2020-15877 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. EPSS estimates a 1.92% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Librenms | Librenms | < 1.65.1 |
References
- https://community.librenms.org/c/announcementsRelease Notes, Vendor Advisory
- https://github.com/librenms/librenms/commit/e5bb6d80bc308fc56b9a01ffb76c34159995353cPatch, Third Party Advisory
- https://github.com/librenms/librenms/compare/1.65...1.65.1Third Party Advisory
- https://github.com/librenms/librenms/pull/11915Patch, Third Party Advisory
- https://github.com/librenms/librenms/releases/tag/1.65.1Release Notes, Third Party Advisory
- https://shielder.it/blogExploit, Third Party Advisory
- https://community.librenms.org/c/announcementsRelease Notes, Vendor Advisory
- https://github.com/librenms/librenms/commit/e5bb6d80bc308fc56b9a01ffb76c34159995353cPatch, Third Party Advisory
- https://github.com/librenms/librenms/compare/1.65...1.65.1Third Party Advisory
- https://github.com/librenms/librenms/pull/11915Patch, Third Party Advisory
- https://github.com/librenms/librenms/releases/tag/1.65.1Release Notes, Third Party Advisory
- https://shielder.it/blogExploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-15877?
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.
How severe is CVE-2020-15877?
CVE-2020-15877 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.92% probability of exploitation in the next 30 days.
How do I fix CVE-2020-15877?
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 2020
- CVE-2020-15868Sonatype Nexus Repository Manager OSS/Pro before 3.26.0 has …7.5
- CVE-2020-15869Sonatype Nexus Repository Manager OSS/Pro versions before 3.…5.4
- CVE-2020-1587An elevation of privilege vulnerability exists when the Wind…7.8
- CVE-2020-15870Sonatype Nexus Repository Manager OSS/Pro versions before 3.…6.1
- CVE-2020-15871Sonatype Nexus Repository Manager OSS/Pro version before 3.2…8.8
- CVE-2020-15873In LibreNMS before 1.65.1, an authenticated attacker can ach…6.5
- CVE-2020-15879Bitwarden Server 1.35.1 allows SSRF because it does not cons…7.5
- CVE-2020-15881A Cross-Site Scripting (XSS) vulnerability in the munki_fact…6.1
- CVE-2020-15882A CSRF issue in manager/delete_machine/{id} in MunkiReport b…8.1
- CVE-2020-15883A Cross-Site Scripting (XSS) vulnerability in the managedins…6.1
- CVE-2020-15884A SQL injection vulnerability in TableQuery.php in MunkiRepo…8.8
- CVE-2020-15885A Cross-Site Scripting (XSS) vulnerability in the comment mo…5.4
Are you affected by CVE-2020-15877?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST