XSS in Nagios Nagios_xi
CVE-2021-25299
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 cl…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.977 (99.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
Affected products
- Nagios Nagios_xi — versions 5.7.5
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- af854a3a-2127-422b-91ae-364da2661108 (Product, x_refsource_MISC)
- cve@mitre.org (Product, x_refsource_MISC)
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-25299?
- CVE-2021-25299 is a medium-severity vulnerability in Nagios Nagios_xi, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-02-15.
- How severe is CVE-2021-25299?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2021-25299 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.