nagios4 — security advisory
Nagios 4.4.5 allows an attacker, who already has administrative access to change the "URL for JSON CGIs" configuration setting, to modify the Alert Histogram and Trends code via crafted versions of the archivejson.cgi, objectjson.cgi, and statusjson.cgi files. NOTE: this vulnerability has been mistakenly associated with CVE-2020-1408.
- Products
- nagios4
- Affected versions
- Not specified
- Fixed versions
- 4.3.4-4
- CVEs
- CVE-2020-13977
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 13:24 UTC · Revision 1
Source evidence
Nagios 4.4.5 allows an attacker, who already has administrative access to change the "URL for JSON CGIs" configuration setting, to modify the Alert Histogram and Trends code via crafted versions of the archivejson.cgi, objectjson.cgi, and statusjson.cgi files. NOTE: this vulnerability has been mistakenly associated with CVE-2020-1408.
osv:DEBIAN-CVE-2020-13977
nagios4
Fixed versions: 4.3.4-4
nagios4
Fixed versions: 4.3.4-4
nagios4
Fixed versions: 4.3.4-4
Complete source record
{
"id": "44e1f6236485655dd01fa2a03ba6c396a43b63472f0f0fb88500dad43d19be21",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2020-13977",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2020-13977",
"summary": "Nagios 4.4.5 allows an attacker, who already has administrative access to change the \"URL for JSON CGIs\" configuration setting, to modify the Alert Histogram and Trends code via crafted versions of the archivejson.cgi, objectjson.cgi, and statusjson.cgi files. NOTE: this vulnerability has been mistakenly associated with CVE-2020-1408.",
"evidence": "osv:DEBIAN-CVE-2020-13977",
"products": [
{
"name": {
"value": "nagios4",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "4.3.4-4",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "nagios4",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "4.3.4-4",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "nagios4",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "4.3.4-4",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "medium",
"structured": {
"id": "DEBIAN-CVE-2020-13977",
"aliases": [
"DEBIAN-CVE-2020-13977"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "4.3.4-4"
}
]
}
],
"package": {
"name": "nagios4",
"purl": "pkg:deb/debian/nagios4?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-13977.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "4.3.4-4"
}
]
}
],
"package": {
"name": "nagios4",
"purl": "pkg:deb/debian/nagios4?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-13977.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "4.3.4-4"
}
]
}
],
"package": {
"name": "nagios4",
"purl": "pkg:deb/debian/nagios4?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-13977.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-26T12:02:26.083742526Z",
"provider": "osv",
"upstream": [
"CVE-2020-13977"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2020-13977"
]
},
"related_cves": [
{
"value": "CVE-2020-13977",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 452184,
"published_at": "2020-06-09T14:15:10.063+00:00"
}