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HIGH

CVE-2021-37343

CVSS v3

8.8

HIGH

EPSS Score

23.8 %

exploit probability, as of 2026-10-05

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

A path traversal vulnerability exists in Nagios XI below version 5.8.5 AutoDiscovery component and could lead to post authenticated RCE under security context of the user running Nagios.

Technical details

Published
2021-08-13

Frequently asked questions

What is CVE-2021-37343?

A path traversal vulnerability exists in Nagios XI below version 5.8.5 AutoDiscovery component and could lead to post authenticated RCE under security context of the user running Nagios.

Is CVE-2021-37343 actively exploited?

Active exploitation of CVE-2021-37343 has not been confirmed. Its EPSS score was 23.8% on 2026-10-05, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-37343?

CVE-2021-37343 has a CVSS v3 base score of 8.8 (HIGH severity).

Is CVE-2021-37343 affecting your environment?

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