RCE in Nagios Xi
CVE-2021-3273
Nagios XI below 5.7 is affected by code injection in the /nagiosxi/admin/graphtemplates.php component. To exploit this vulnerability, someone must have an admin user account in Nagios XI's web system.
Vulnerability class: RCE (Remote Code Execution)
EPSS: 0.072 (93.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Nagios Nagios_xi
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (x_refsource_MISC, Release Notes, Vendor Advisory)
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-3273?
- CVE-2021-3273 is a high-severity vulnerability in Nagios Xi, classified under Code Injection. CVSS score: 7.2/10. Published 2021-02-25.
- How severe is CVE-2021-3273?
- High severity. CVSS v3 base score is 7.2 out of 10.
- Is CVE-2021-3273 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.