CVE-2020-15839

mediumpriority · track · 27EPSS 0.022 · 82 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

2.16% (82nd) EPSS

CVSS 4 · medium

Is it mine?

11 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · osv · nvd

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

6.5

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04mediumAV:N/AC:L/Au:S/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 8 · impact 2.9

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 3.6

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hsecondary · OSV

v3.16mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-434USprimaryCWE-434US

affected products (11)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
liferay digital experience platform= 7.1nvdUScpe:2.3:a:liferay:digital_experience_platform:*:*:*:*:*:*:*:*
liferay digital experience platform= 7.2nvdUScpe:2.3:a:liferay:digital_experience_platform:*:*:*:*:*:*:*:*
liferay liferay portal< 7.3.3nvdUScpe:2.3:a:liferay:liferay_portal:*:*:*:*:*:*:*:*
Bitnami liferay= 7.1-fix.0osvUSpkg:bitnami/liferay
Bitnami liferay= 7.1-sp1.0osvUSpkg:bitnami/liferay
Bitnami liferay= 7.1.0osvUSpkg:bitnami/liferay
Bitnami liferay= 7.2-fix.0osvUSpkg:bitnami/liferay
Bitnami liferay= 7.2.0osvUSpkg:bitnami/liferay
Maven com.liferay.portal:release.dxp.bom< 7.1.10.fp18osvUSpkg:maven/com.liferay.portal/release.dxp.bom
Maven com.liferay.portal:release.dxp.bom7.2.1 → 7.2.10.fp6osvUSpkg:maven/com.liferay.portal/release.dxp.bom

advisories (2)

Vendor and ecosystem advisories describing this.

GHSA-c7f6-4vx5-4263Unrestricted Upload of File with Dangerous Type in Liferay Portal and Liferay DXP2022-02-10ghsa · osvUS
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.
BIT-liferay-2020-158392024-01-31vendor · osvUS
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.

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd osv nvd NVD CVE.org MITRE

published 2020-09-22modified 2026-06-17

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+5031 more

references (13)

External citations — patches, advisories, analysis.

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