Arbitrary file upload in Liferay Digital Experience Platform
CVE-2020-15839
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.
Vulnerability class: Unrestricted File Upload
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.022 (81.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 81.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.022 · newest: 0.022 · change: 0.000
Affected products
- Liferay Digital Experience Platform — versions 7.1, 7.2
- Liferay Portal
Weakness classification (CWE)
References
- portal.liferay.dev/learn/security/known-vulnerabilities (Vendor Advisory)
- portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5m… (Vendor Advisory)
- issues.liferay.com/browse/LPE-17029 (Vendor Advisory)
- issues.liferay.com/browse/LPE-17055 (Vendor Advisory)
Frequently asked questions
- What is CVE-2020-15839?
- CVE-2020-15839 is a medium-severity vulnerability in Liferay Digital Experience Platform, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 6.5/10. Published 2020-09-22.
- How severe is CVE-2020-15839?
- Medium severity. CVSS v3 base score is 6.5 out of 10.