Critical
Security advisory
Remote code execution in Monitorr v1.7.6m in upload.php allows an unauthorized person to execute arbitrary code on the server-side via an insecure file upload.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2020-28871
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 05:43 UTC · Revision 1
Source evidence
Remote code execution in Monitorr v1.7.6m in upload.php allows an unauthorized person to execute arbitrary code on the server-side via an insecure file upload.
osv:CVE-2020-28871
Complete source record
{
"id": "2163d3fe8f087706e6e01813ff3ce20bb7d452c4c28c025b40bd9af4ff5db286",
"url": "https://osv.dev/vulnerability/CVE-2020-28871",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2020-28871",
"summary": "Remote code execution in Monitorr v1.7.6m in upload.php allows an unauthorized person to execute arbitrary code on the server-side via an insecure file upload.",
"evidence": "osv:CVE-2020-28871",
"products": [],
"severity": "critical",
"structured": {
"id": "CVE-2020-28871",
"aliases": [
"CVE-2020-28871"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/monitorr/monitorr",
"type": "GIT",
"events": [
{
"introduced": "00f34f49ef772271a59e0b8e70523997ad0a6581"
},
{
"last_affected": "00f34f49ef772271a59e0b8e70523997ad0a6581"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:monitorr:monitorr:1.7.6m:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.7.6m"
},
{
"last_affected": "1.7.6m"
}
],
"source": "CPE_STRING"
}
]
}
}
],
"versions": [
"1.7.6m"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-28871.json"
}
}
],
"modified": "2026-10-24T10:30:32.869495102Z",
"provider": "osv",
"references": [
"https://lyhinslab.org/index.php/2020/09/12/how-the-white-box-hacking-works-authorization-bypass-and-remote-code-execution-in-monitorr-1-7-6/",
"https://www.exploit-db.com/exploits/48980"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2020-28871",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 433117,
"published_at": "2021-02-10T01:15:14.627+00:00"
}