High
Security advisory
Authenticated remote code execution in MotionEye <= 0.42.1 and MotioneEyeOS <= 20200606 allows a remote attacker to upload a configuration backup file containing a malicious python pickle file which will execute arbitrary code on the server.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2021-44255
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 08:50 UTC · Revision 1
Source evidence
Authenticated remote code execution in MotionEye <= 0.42.1 and MotioneEyeOS <= 20200606 allows a remote attacker to upload a configuration backup file containing a malicious python pickle file which will execute arbitrary code on the server.
osv:CVE-2021-44255
Complete source record
{
"id": "888b641b534a02256148771f8e9635afe979aa460fa7d925717bc6443b8587a0",
"url": "https://osv.dev/vulnerability/CVE-2021-44255",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2021-44255",
"summary": "Authenticated remote code execution in MotionEye <= 0.42.1 and MotioneEyeOS <= 20200606 allows a remote attacker to upload a configuration backup file containing a malicious python pickle file which will execute arbitrary code on the server.",
"evidence": "osv:CVE-2021-44255",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2021-44255",
"aliases": [
"CVE-2021-44255",
"GHSA-m2c7-42rf-c62f",
"PYSEC-2026-681"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/motioneye-project/motioneye",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "acdc6644dbb0768a228d45fc2b230b779a9bc661"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:motioneye_project:motioneye:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "0.42.1"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"0.42",
"0.41",
"0.41rc1",
"0.40",
"0.40rc5",
"0.40rc4",
"0.40rc3",
"0.40rc2",
"0.40rc1",
"0.39.3",
"0.39.1",
"0.39",
"0.38",
"0.37",
"0.37rc1",
"0.36.1",
"0.36",
"0.35.2",
"0.35.1",
"0.35",
"0.35rc1",
"0.34.1",
"0.34",
"0.34rc1",
"0.31.4",
"0.31.3",
"0.31.2",
"0.31.1",
"0.31",
"0.30",
"0.30rc2",
"0.30rc1",
"0.29rc2",
"0.29rc1",
"0.28.3",
"0.28.2",
"0.28.1",
"0.28",
"0.27.2",
"0.27.1",
"0.27",
"0.26",
"0.25.2",
"0.25.1",
"0.25",
"0.24",
"0.23",
"0.22",
"0.21",
"0.20",
"0.19",
"0.18",
"0.17",
"0.16",
"0.15",
"0.14",
"0.13",
"0.12",
"0.11",
"0.10",
"0.9",
"0.8",
"0.7",
"0.6",
"0.5",
"0.4",
"0.3",
"0.2",
"0.1"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-44255.json"
}
}
],
"modified": "2026-10-24T10:50:26.802750644Z",
"provider": "osv",
"references": [
"https://www.pizzapower.me/2021/10/09/self-hosted-security-part-1-motioneye/",
"https://github.com/ccrisan/motioneyeos/issues/2843"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:o:motioneyeos_project:motioneyeos:*:*:*:*:*:*:*:*"
],
"vendor_product": "motioneyeos_project:motioneyeos",
"extracted_events": [
{
"range": [
{
"fixed": "20200606"
}
],
"source": "CPE_RANGE"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2021-44255",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 442186,
"published_at": "2022-01-31T12:15:07.767+00:00"
}