Medium
Security advisory
An issue was discovered in app/Model/SharingGroupServer.php in MISP 2.4.139. In the implementation of Sharing Groups, the "all org" flag sometimes provided view access to unintended actors.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2021-27904
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 11:15 UTC · Revision 1
Source evidence
An issue was discovered in app/Model/SharingGroupServer.php in MISP 2.4.139. In the implementation of Sharing Groups, the "all org" flag sometimes provided view access to unintended actors.
osv:CVE-2021-27904
Complete source record
{
"id": "2db0a6d881fe63fd593a08fc00eceebb30807203daf8f57706d45d5a092f87ce",
"url": "https://osv.dev/vulnerability/CVE-2021-27904",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2021-27904",
"summary": "An issue was discovered in app/Model/SharingGroupServer.php in MISP 2.4.139. In the implementation of Sharing Groups, the \"all org\" flag sometimes provided view access to unintended actors.",
"evidence": "osv:CVE-2021-27904",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2021-27904",
"aliases": [
"CVE-2021-27904"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/misp/misp",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"last_affected": "6fd2c4807abc2232b90d00fd290b0020db83fcaa"
},
{
"fixed": "ca13fee271ad126832c88896776f3050a6c06e64"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:misp-project:misp:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"last_affected": "2.4.139"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "ca13fee271ad126832c88896776f3050a6c06e64"
}
],
"source": "REFERENCES_COMMIT"
}
]
}
}
],
"versions": [
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"v2.4.137",
"v2.4.136",
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"v2.4.58",
"v2.4.57",
"v2.4.56",
"v2.4.54",
"v2.4.53",
"v2.4.52",
"v2.4.51",
"v2.4.50",
"v2.4.48",
"v2.4.47",
"v2.4.46",
"v2.4.45",
"v2.4.43",
"v2.4.39",
"v2.4.38",
"v2.4.37",
"v2.4.36",
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"v2.4.34",
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"v2.4.22",
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"v2.4.13",
"v2.4.11",
"v2.4.10",
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"v2.4.7",
"v2.4.5",
"v2.4.4",
"v2.4.3",
"v2.4.2",
"v2.4.1",
"v2.4.0",
"v2.3.0",
"v0.2"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-27904.json"
}
}
],
"modified": "2026-10-20T10:53:41.198966872Z",
"provider": "osv",
"references": [
"https://github.com/MISP/MISP/commit/ca13fee271ad126832c88896776f3050a6c06e64"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2021-27904",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 384499,
"published_at": "2021-03-02T07:15:12.76+00:00"
}