CVE-2020-6581

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:nagios:remote_plug_in_executor:3.2.1:*:*:*:*:*:*:*", "matchCriteriaId": "D89DB3CC-94E1-4D32-B286-58BDF871C2D7", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*", "matchCriteriaId": "36D96259-24BD-44E2-96D9-78CE1D41F956", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "Nagios NRPE versi\u00f3n 3.2.1, presenta un filtrado insuficiente porque, por ejemplo, la funci\u00f3n nasty_metachars interpreta \\n como el car\u00e1cter \\ y el car\u00e1cter n (no como la secuencia newline \\n). Esto puede causar una inyecci\u00f3n de comandos."}], "id": "CVE-2020-6581", "lastModified": "2026-06-17T03:23:38.583", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "HIGH", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 3.7, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:L/AC:H/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 1.9, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.3, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.3, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-03-16T18:15:12.867", "references": [{"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://herolab.usd.de/security-advisories/"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://herolab.usd.de/security-advisories/usd-2020-0002/"}, {"source": "cve@mitre.org", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2DNGKXVDB43E3KQRA6W5QZT3Z46XZLQM/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://herolab.usd.de/security-advisories/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://herolab.usd.de/security-advisories/usd-2020-0002/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2DNGKXVDB43E3KQRA6W5QZT3Z46XZLQM/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "nrpe: insufficient filtering and incorrect parsing of the configuration file may lead to command injection", "id": "1816801", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1816801"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.3", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-77", "details": ["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.", "A flaw was found in nrpe. A command injection is possible due to insufficient filtering. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability."], "mitigation": {"lang": "en:us", "value": "Disable nasty_metachars and dont_blame_nrpe option inside the NRPE configuration file - /etc/nagios/nrpe.cfg"}, "name": "CVE-2020-6581", "package_state": [{"cpe": "cpe:/a:redhat:storage:3", "fix_state": "Not affected", "package_name": "nrpe", "product_name": "Red Hat Storage 3"}], "public_date": "2020-03-04T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2020-6581\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-6581\nhttps://herolab.usd.de/security-advisories/usd-2020-0002/"], "statement": "Nagios is considered deprecated. Nagios plugins and Nagios server are no longer maintained or supported. Refer following release notes for details: \"https://access.redhat.com/documentation/en-us/red_hat_gluster_storage/3.5/html-single/3.5_release_notes/index\". The older version of nrpe which was shipped with Red Hat Gluster Storage does not support v3 packet format.", "threat_severity": "Moderate"}

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