CVE-2020-15839 json
Unrestricted Upload of File with Dangerous Type in Liferay Portal and Liferay DXP
published 2020-09-22 6 y ago modified 2026-06-17 4 mo ago also BIT-liferay-2020-15839 , EUVD-2022-0957 , GHSA-c7f6-4vx5-4263
- cvss
- 6.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.2%
- EPSS 2.2% chance of exploitation in 30 days, percentile 82%
- public exploits
- 0
- none known
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.
Patch / fix
- maven com.liferay.portal:release.dxp.bom 7.1.10.fp18, 7.2.10.fp6
- liferay liferay_portal 7.3.3
Exploit prediction
2.16% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| GitHub | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| NVD | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 4.0 | AV:N/AC:L/Au:S/C:N/I:N/A:P |
| OSV | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| maven | com.liferay.portal:release.dxp.bom | <7.1.10.fp18 >=7.2.1, <7.2.10.fp6 |
7.1.10.fp18 7.2.10.fp6 |
| bitnami | liferay | >=7.1.0, <=7.1.0 >=7.2.0, <=7.2.0 >=7.1-fix.0, <=7.1-fix.0 >=7.1-sp1.0, <=7.1-sp1.0 >=7.2-fix.0, <=7.2-fix.0 |
no fix listed |
Classification
- Weakness
-
- CWE-434 Unrestricted Upload of File with Dangerous Type
References
-
portal.liferay.dev
/learn/security/known-vulnerabilities
web, vendor-advisory
-
portal.liferay.dev
/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/119784928
web, vendor-advisory
-
issues.liferay.com
/browse/LPE-17029
web, vendor-advisory
-
issues.liferay.com
/browse/LPE-17055
web, vendor-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2020-15839
advisory
Sources
- CVE List CVE-2020-15839
- GitHub Advisory GHSA-c7f6-4vx5-4263
- NVD CVE-2020-15839
- OSV BIT-liferay-2020-15839
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