CVSS v3
7.3
HIGH
EPSS Score
1.6 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
Nagios NRPE 3.2.1 has Insufficient Filtering because, for example, nasty_metachars interprets \\n as the character \\ and the character n (not as the \\n newline sequence). This can cause command injection.
Technical details
- Published
- 2020-03-16
Frequently asked questions
What is CVE-2020-6581?
Nagios NRPE 3.2.1 has Insufficient Filtering because, for example, nasty_metachars interprets \\n as the character \\ and the character n (not as the \\n newline sequence). This can cause command injection.
Is CVE-2020-6581 actively exploited?
Active exploitation of CVE-2020-6581 has not been confirmed. Its EPSS score was 1.6% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2020-6581?
CVE-2020-6581 has a CVSS v3 base score of 7.3 (HIGH severity).
Is CVE-2020-6581 affecting your environment?
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