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Vulnerability record · CVE-2020-6582 · published 16 March 2020

CVE-2020-6582: Nagios remote plug in executor out-of-bounds write vulnerability

Nagios · Remote Plug In Executor

Nagios NRPE 3.2.1 has a Heap-Based Buffer Overflow, as demonstrated by interpretation of a small negative number as a large positive number during a bzero call.

7.5 CVSS 3.1 High EPSS 4.4% · top 8.9% CWE-681 · CWE-681CWE-787 · Out-of-bounds write
7.5CVSS 3.1 base score, v2 5.0
4.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
6References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

Nagios NRPE 3.2.1 has a Heap-Based Buffer Overflow, as demonstrated by interpretation of a small negative number as a large positive number during a bzero call.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://herolab.usd.de/security-advisories/ Third Party Advisory
https://herolab.usd.de/security-advisories/usd-2020-0001/ ExploitThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2DNGKXVDB43E3KQRA6W5QZT
https://herolab.usd.de/security-advisories/ Third Party Advisory
https://herolab.usd.de/security-advisories/usd-2020-0001/ ExploitThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2DNGKXVDB43E3KQRA6W5QZT

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2020-6582), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.