Nagios — known exploited vulnerabilities
The CISA Known Exploited Vulnerabilities catalog (KEV) lists vulnerabilities that CISA has confirmed are being exploited in the wild; U.S. federal civilian agencies are required to remediate each entry by its due date. This page joins the KEV entries for Nagios with NVD CVSS scores and CISA's ransomware-campaign flag. See our methodology or browse all CVEs.
Key findings
CISA's Known Exploited Vulnerabilities catalog lists 4 Nagios vulnerabilities confirmed as exploited in the wild across 1 product; none are currently flagged as used in known ransomware campaigns. All entries affect a single product: Nagios XI. CISA added 3 entries in 2022, compared with 1 in 2021. Across the 4 entries with an NVD CVSS score (100% of the total), the average score is 8.8; none is rated critical by NVD. The most recent addition is CVE-2021-25296 (Nagios XI OS Command Injection), added on 2022-01-18.
Affected products
| Product | Entries | Share |
|---|---|---|
| Nagios XI | 4 | 100% |
Entries added per year
By date added to the KEV catalog
Exploited Nagios vulnerabilities (4)
Newest first. CVSS scores from NVD where available.
| CVE | Product | Vulnerability | Date added | Ransomware | CVSS |
|---|---|---|---|---|---|
| CVE-2021-25296 | Nagios XI | Nagios XI OS Command Injection | 2022-01-18 | — | HIGH8.8 |
| CVE-2021-25297 | Nagios XI | Nagios XI OS Command Injection | 2022-01-18 | — | HIGH8.8 |
| CVE-2021-25298 | Nagios XI | Nagios XI OS Command Injection | 2022-01-18 | — | HIGH8.8 |
| CVE-2019-15949 | Nagios XI | Nagios XI Remote Code Execution Vulnerability | 2021-11-03 | — | HIGH8.8 |
Source: CISA Known Exploited Vulnerabilities catalog, joined with NIST NVD CVSS data. Vendor names are normalized across spellings. Compare all vendors.