CVE-2021-25299 Details
Description
Nagios XI version xi-5.7.5 is affected by cross-site scripting (XSS). The vulnerability exists in the file /usr/local/nagiosxi/html/admin/sshterm.php due to improper sanitization of user-controlled input. A maliciously crafted URL, when clicked by an admin user, can be used to steal his/her session cookies or it can be chained with the previous bugs to get one-click remote command execution (RCE) on the Nagios XI server.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
No SSVC data is available for this CVE.
References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| http://packetstormsecurity.com/files/161561/Nagios-XI-5.7.5-Remote-Code-Execution.html | CVE | ExploitThird Party AdvisoryVDB Entry |
| https://assets.nagios.com/downloads/nagiosxi/versions.php | CVE | Product |
| https://github.com/fs0c-sh/nagios-xi-5.7.5-bugs/blob/main/README.md | CVE | ExploitThird Party Advisory |
| http://packetstormsecurity.com/files/161561/Nagios-XI-5.7.5-Remote-Code-Execution.html | [email protected] | ExploitThird Party AdvisoryVDB Entry |
| https://assets.nagios.com/downloads/nagiosxi/versions.php | [email protected] | Product |
| https://github.com/fs0c-sh/nagios-xi-5.7.5-bugs/blob/main/README.md | [email protected] | ExploitThird Party Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-79 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| nagios nagios xi | 5.7.5 |
CPE
Remediation
| |
Change History
8 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 9, 2026 | CVE Modified | CVE |
| Jul 5, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | [email protected] |
| Nov 21, 2024 | CVE Modified | CVE |
| May 14, 2024 | CVE Modified | [email protected] |
| Mar 4, 2021 | Modified Analysis | [email protected] |
| Feb 26, 2021 | CVE Modified | [email protected] |
| Feb 18, 2021 | Initial Analysis | [email protected] |