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Fencer Intel
critical 9.8

CVE-2021-37344 in the critical feed json

Nagios XI Switch Wizard before version 2.5.7 is vulnerable to remote code execution through improper neutralisation of special elements use…

published 5y ago modified 4mo ago also EUVD-2021-23913

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
96.8%
EPSS 96.8% chance of exploitation in 30 days, percentile 99.8%
public exploits
0
none known

Summary

Nagios XI Switch Wizard before version 2.5.7 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_switch_wizard 2.5.7

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Exploit prediction

96.77% chance of exploitation in the next 30 days, higher than 99.8% of all scored CVEs (FIRST EPSS, 2026-11-09).

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 Intel 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.