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Fencer Vulns
critical 9.8

CVE-2021-37346 in the critical feed json

Nagios XI WatchGuard Wizard before version 1.4.8 is vulnerable to remote code execution through Improper neutralisation of special elements…

published 2021-08-13 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-23915

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
73.6%
EPSS 73.6% chance of exploitation in 30 days, percentile 99.4%
public exploits
0
none known

Summary

Nagios XI WatchGuard Wizard before version 1.4.8 is vulnerable to remote code execution through Improper neutralisation of special elements used in an OS Command (OS Command injection).

Patch / fix

  • nagios nagios_xi_watchguard_wizard 1.4.8

Exploit prediction

73.59% chance of exploitation in the next 30 days, higher than 99.4% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-78 Improper Neutralization of Special Elements used in an OS Command

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.