Critical
Security advisory
Camunda Modeler (aka camunda-modeler) through 4.6.0 allows arbitrary file access. A remote attacker may send a crafted IPC message to the exposed vulnerable ipcRenderer IPC interface, which manipulates the readFile and writeFile APIs. NOTE: the vendor states "The way we secured the app is that it does not allow any remote scripts to be opened, no unsafe scripts to be evaluated, no remote sites to be browsed.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2021-28154
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 11:46 UTC · Revision 1
Source evidence
Camunda Modeler (aka camunda-modeler) through 4.6.0 allows arbitrary file access. A remote attacker may send a crafted IPC message to the exposed vulnerable ipcRenderer IPC interface, which manipulates the readFile and writeFile APIs. NOTE: the vendor states "The way we secured the app is that it does not allow any remote scripts to be opened, no unsafe scripts to be evaluated, no remote sites to be browsed.
osv:CVE-2021-28154
Complete source record
{
"id": "0b56854508b6fe45deadfb83eb56f20e3c0bdef05f6d32678f32ed4e9907b9fa",
"url": "https://osv.dev/vulnerability/CVE-2021-28154",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2021-28154",
"summary": "Camunda Modeler (aka camunda-modeler) through 4.6.0 allows arbitrary file access. A remote attacker may send a crafted IPC message to the exposed vulnerable ipcRenderer IPC interface, which manipulates the readFile and writeFile APIs. NOTE: the vendor states \"The way we secured the app is that it does not allow any remote scripts to be opened, no unsafe scripts to be evaluated, no remote sites to be browsed.",
"evidence": "osv:CVE-2021-28154",
"products": [],
"severity": "critical",
"structured": {
"id": "CVE-2021-28154",
"aliases": [
"CVE-2021-28154"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/camunda/camunda-modeler",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"last_affected": "feec43ffdbf4868281e6717acabdf7340e71441d"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:camunda:modeler:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"last_affected": "4.6.0"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"v4.6.0",
"v4.6.0-rc.0",
"v4.5.0",
"v4.5.0-rc.0",
"v4.4.0-rc.0",
"v4.3.0",
"v4.3.0-rc.0",
"v4.2.0",
"v4.1.0",
"v4.0.0",
"v4.0.0-alpha.3",
"v4.0.0-alpha.2",
"v4.0.0-alpha.1",
"v4.0.0-alpha.0",
"v3.7.0",
"v3.6.0",
"v3.5.0",
"v3.4.0",
"v3.3.0-alpha.4",
"v3.3.0-alpha.3",
"v3.3.0-alpha.2",
"v3.3.0-alpha.1",
"v3.2.0",
"v3.1.2",
"v3.1.1",
"v3.1.0",
"v3.0.1",
"v3.0.0",
"v3.0.0-beta.3",
"v3.0.0-beta.2",
"v3.0.0-beta.1",
"v3.0.0-beta.0",
"v3.0.0-1-micha",
"v3.0.0-0",
"v2.2.4",
"v2.2.3",
"v2.2.2",
"v2.2.1",
"v2.2.0",
"v2.1.2",
"v2.1.1",
"v2.1.0",
"v2.0.3",
"v2.0.2",
"v2.0.1",
"v2.0.0",
"v2.0.0-6",
"v2.0.0-5",
"v2.0.0-4",
"v2.0.0-3",
"v2.0.0-2",
"v2.0.0-1",
"v2.0.0-0",
"v1.16.2",
"v1.16.1",
"v1.16.0",
"v1.15.1",
"v1.15.0",
"v1.14.0",
"v1.13.1",
"v1.13.0",
"v1.12.0",
"v1.12.0-alpha-8",
"v1.12.0-alpha-7",
"v1.12.0-alpha-6",
"v1.12.0-alpha-5",
"v1.12.0-alpha-4",
"v1.12.0-alpha-3",
"v1.12.0-alpha-2",
"v1.12.0-alpha-1",
"v1.11.3",
"v1.11.2",
"v1.11.1",
"v1.11.0",
"v1.10.0",
"v1.9.0",
"v1.8.2",
"v1.8.1",
"v1.8.0",
"v1.7.2",
"v1.7.1",
"v1.7.0",
"v1.6.0",
"v1.5.1",
"v1.5.0",
"v1.4.0",
"v1.3.2",
"v1.3.1",
"v1.3.0",
"v1.2.2",
"v1.2.1",
"v1.2.0",
"v1.1.1",
"v1.1.0",
"v1.0.0",
"v0.6.0",
"v0.5.1",
"v0.5.0",
"v0.3.0",
"v0.2.0",
"v0.1.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-28154.json"
}
}
],
"modified": "2026-10-20T10:54:42.407705075Z",
"provider": "osv",
"references": [
"https://github.com/camunda/camunda-modeler/issues/2143"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2021-28154",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 385938,
"published_at": "2021-03-11T22:15:12.857+00:00"
}