CVE-2021-37351
MEDIUMCVSS 5.3/10EPSS 2.83%
Last modified
CVE-2021-37351 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. Nagios XI before version 5.8.5 is vulnerable to insecure permissions and allows unauthenticated users to access guarded pages through a crafted HTTP request to the server.. EPSS estimates a 2.83% chance of exploitation in the next 30 days.
Description
Nagios XI before version 5.8.5 is vulnerable to insecure permissions and allows unauthenticated users to access guarded pages through a crafted HTTP request to the server.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Nagios | Nagios Xi | < 5.8.5 |
References
- https://www.nagios.com/downloads/nagios-xi/change-log/Release Notes, Vendor Advisory
- https://www.nagios.com/downloads/nagios-xi/change-log/Release Notes, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-37351?
Nagios XI before version 5.8.5 is vulnerable to insecure permissions and allows unauthenticated users to access guarded pages through a crafted HTTP request to the server.
How severe is CVE-2021-37351?
CVE-2021-37351 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 2.83% probability of exploitation in the next 30 days.
How do I fix CVE-2021-37351?
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 2021
- CVE-2021-37346Nagios XI WatchGuard Wizard before version 1.4.8 is vulnerab…9.8
- CVE-2021-37347Nagios XI before version 5.8.5 is vulnerable to local privil…7.8
- CVE-2021-37348Nagios XI before version 5.8.5 is vulnerable to local file i…7.5
- CVE-2021-37349Nagios XI before version 5.8.5 is vulnerable to local privil…7.8
- CVE-2021-3735A deadlock issue was found in the AHCI controller device of …4.4
- CVE-2021-37350Nagios XI before version 5.8.5 is vulnerable to SQL injectio…9.8
- CVE-2021-37352An open redirect vulnerability exists in Nagios XI before ve…6.1
- CVE-2021-37353Nagios XI Docker Wizard before version 1.1.3 is vulnerable t…9.8
- CVE-2021-37354Xerox Phaser 4622 v35.013.01.000 was discovered to contain a…9.8
- CVE-2021-37358SQL Injection in SEACMS v210530 (2021-05-30) allows remote a…9.8
- CVE-2021-3736A flaw was found in the Linux kernel. A memory leak problem …5.5
- CVE-2021-37363An Insecure Permissions issue exists in Gestionale Open 11.0…7.8
Are you affected by CVE-2021-37351?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST