Medium
Security advisory
Liferay Portal before 7.3.3, and Liferay DXP 7.1 before fix pack 18 and 7.2 before fix pack 6, does not restrict the size of a multipart/form-data POST action, which allows remote authenticated users to conduct denial-of-service attacks by uploading large files.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2020-15839
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 08:10 UTC · Revision 1
Source evidence
Liferay Portal before 7.3.3, and Liferay DXP 7.1 before fix pack 18 and 7.2 before fix pack 6, does not restrict the size of a multipart/form-data POST action, which allows remote authenticated users to conduct denial-of-service attacks by uploading large files.
osv:CVE-2020-15839
Complete source record
{
"id": "9102a99eddde143809cfffb31f14e2b303ede391cfff13e271a3ad104b0d42dc",
"url": "https://osv.dev/vulnerability/CVE-2020-15839",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2020-15839",
"summary": "Liferay Portal before 7.3.3, and Liferay DXP 7.1 before fix pack 18 and 7.2 before fix pack 6, does not restrict the size of a multipart/form-data POST action, which allows remote authenticated users to conduct denial-of-service attacks by uploading large files.",
"evidence": "osv:CVE-2020-15839",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2020-15839",
"aliases": [
"BIT-liferay-2020-15839",
"CVE-2020-15839",
"GHSA-c7f6-4vx5-4263"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/liferay/liferay-portal",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "77b773677e0fa17b1a869414ad66220245ba96a8"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:liferay:liferay_portal:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "7.3.3"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"7.3.2-ga3",
"7.3.1-ga2",
"7.3.0-ga1",
"7.2.0-b3",
"7.2.0-b2",
"7.2.0-b1",
"7.2.0-a1",
"7.2.0-m2",
"7.1.0-b2",
"7.1.0-b1",
"7.1.0-a2",
"7.1.0-a1",
"7.1.0-m2",
"7.1.0-m1",
"sync-3.1.0-ga1",
"sync-3.0.10-ga2",
"sync-3.0.9-ga1",
"sync-3.0.8-b9",
"7.0.0-m5",
"sync-3.0.7-b8",
"sync-3.0.6-b7",
"sync-3.0.5-b6",
"sync-3.0.4-b5",
"sync-3.0.3-b4",
"sync-3.0.2-b3",
"sync-3.0.1-b2",
"sync-3.0.0-b1",
"7.0.0-m4",
"7.0.0-m3",
"7.0.0-m2",
"7.0.0-m1",
"6.2.0-b2",
"6.2.0-b1",
"6.2.0-m6",
"6.2.0-m5",
"6.2.0-m4",
"6.2.0-m3",
"6.2.0-m2",
"6.1.0-rc1",
"6.1.0-b4",
"6.1.0-b3",
"6.1.0-b2",
"6.1.0-b1"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-15839.json"
}
}
],
"modified": "2026-10-24T10:31:03.878465509Z",
"provider": "osv",
"references": [
"https://issues.liferay.com/browse/LPE-17029",
"https://issues.liferay.com/browse/LPE-17055",
"https://portal.liferay.dev/learn/security/known-vulnerabilities",
"https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/119784928"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:a:liferay:digital_experience_platform:7.1:-:*:*:*:*:*:*",
"cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_10:*:*:*:*:*:*",
"cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_11:*:*:*:*:*:*",
"cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_12:*:*:*:*:*:*",
"cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_13:*:*:*:*:*:*",
"cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_14:*:*:*:*:*:*",
"cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_15:*:*:*:*:*:*",
"cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_16:*:*:*:*:*:*",
"cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_17:*:*:*:*:*:*",
"cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_1:*:*:*:*:*:*",
"cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_2:*:*:*:*:*:*",
"cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_3:*:*:*:*:*:*",
"cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_4:*:*:*:*:*:*",
"cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_5:*:*:*:*:*:*",
"cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_6:*:*:*:*:*:*",
"cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_7:*:*:*:*:*:*",
"cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_8:*:*:*:*:*:*",
"cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_9:*:*:*:*:*:*",
"cpe:2.3:a:liferay:digital_experience_platform:7.1:sp1:*:*:*:*:*:*",
"cpe:2.3:a:liferay:digital_experience_platform:7.2:-:*:*:*:*:*:*",
"cpe:2.3:a:liferay:digital_experience_platform:7.2:fix_pack_1:*:*:*:*:*:*",
"cpe:2.3:a:liferay:digital_experience_platform:7.2:fix_pack_2:*:*:*:*:*:*",
"cpe:2.3:a:liferay:digital_experience_platform:7.2:fix_pack_3:*:*:*:*:*:*",
"cpe:2.3:a:liferay:digital_experience_platform:7.2:fix_pack_4:*:*:*:*:*:*",
"cpe:2.3:a:liferay:digital_experience_platform:7.2:fix_pack_5:*:*:*:*:*:*"
],
"vendor_product": "liferay:digital_experience_platform",
"extracted_events": [
{
"range": [
{
"introduced": "7.1-NA"
},
{
"last_affected": "7.1-NA"
},
{
"introduced": "7.1-fix_pack_1"
},
{
"last_affected": "7.1-fix_pack_1"
},
{
"introduced": "7.1-fix_pack_10"
},
{
"last_affected": "7.1-fix_pack_10"
},
{
"introduced": "7.1-fix_pack_11"
},
{
"last_affected": "7.1-fix_pack_11"
},
{
"introduced": "7.1-fix_pack_12"
},
{
"last_affected": "7.1-fix_pack_12"
},
{
"introduced": "7.1-fix_pack_13"
},
{
"last_affected": "7.1-fix_pack_13"
},
{
"introduced": "7.1-fix_pack_14"
},
{
"last_affected": "7.1-fix_pack_14"
},
{
"introduced": "7.1-fix_pack_15"
},
{
"last_affected": "7.1-fix_pack_15"
},
{
"introduced": "7.1-fix_pack_16"
},
{
"last_affected": "7.1-fix_pack_16"
},
{
"introduced": "7.1-fix_pack_17"
},
{
"last_affected": "7.1-fix_pack_17"
},
{
"introduced": "7.1-fix_pack_2"
},
{
"last_affected": "7.1-fix_pack_2"
},
{
"introduced": "7.1-fix_pack_3"
},
{
"last_affected": "7.1-fix_pack_3"
},
{
"introduced": "7.1-fix_pack_4"
},
{
"last_affected": "7.1-fix_pack_4"
},
{
"introduced": "7.1-fix_pack_5"
},
{
"last_affected": "7.1-fix_pack_5"
},
{
"introduced": "7.1-fix_pack_6"
},
{
"last_affected": "7.1-fix_pack_6"
},
{
"introduced": "7.1-fix_pack_7"
},
{
"last_affected": "7.1-fix_pack_7"
},
{
"introduced": "7.1-fix_pack_8"
},
{
"last_affected": "7.1-fix_pack_8"
},
{
"introduced": "7.1-fix_pack_9"
},
{
"last_affected": "7.1-fix_pack_9"
},
{
"introduced": "7.1-sp1"
},
{
"last_affected": "7.1-sp1"
},
{
"introduced": "7.2-NA"
},
{
"last_affected": "7.2-NA"
},
{
"introduced": "7.2-fix_pack_1"
},
{
"last_affected": "7.2-fix_pack_1"
},
{
"introduced": "7.2-fix_pack_2"
},
{
"last_affected": "7.2-fix_pack_2"
},
{
"introduced": "7.2-fix_pack_3"
},
{
"last_affected": "7.2-fix_pack_3"
},
{
"introduced": "7.2-fix_pack_4"
},
{
"last_affected": "7.2-fix_pack_4"
},
{
"introduced": "7.2-fix_pack_5"
},
{
"last_affected": "7.2-fix_pack_5"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2020-15839",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 440372,
"published_at": "2020-09-22T18:15:23.98+00:00"
}