Medium severity · published Feb 15, 2021
CVE-2021-25299
Nagios XI version xi-5.7.5 is affected by cross-site scripting (XSS)
6.1
CVSS
97.8%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)97.8% · higher than 100% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NX
Nagios XI · Nagios
5.7.5 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-25299
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-25299
Exploit
http://packetstormsecurity.com/files/161561/Nagios-XI-5.7.5-Remote-Code-Execution.html
Product
https://assets.nagios.com/downloads/nagiosxi/versions.php
Exploit
https://github.com/fs0c-sh/nagios-xi-5.7.5-bugs/blob/main/README.md
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