🛡️ CVE-2020-15839 — liferay

🟡 CVSS 5.0 — Medium ✅ No Known Exploit CWE-434 OSV
5.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Unrestricted Upload of File with Dangerous Type in Liferay Portal and Liferay DXP

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.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability high.

Weakness class

CVE-2020-15839 is classified as CWE-434: Unrestricted Upload of File with Dangerous Type. Uploads are accepted without restricting type, so an executable file can be placed where the server will run it.

Affected software

CVE-2020-15839 is recorded against 2 packages.

  • com.liferay.portal:release.dxp.bom (from 7.2.1 up to 7.2.10.fp6)
  • liferay

Timeline and source

Published on 10 February 2022 and last revised on 6 December 2023. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

nvd.nist.gov (Advisory)
issues.liferay.com (Web)
issues.liferay.com (Web)
portal.liferay.dev (Web)
portal.liferay.dev (Web)

Details

Severity Medium
CVSS Score 5.0
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE CWE-434
Public Exploit ✅ No
Source OSV
Published 2022-02-10
Updated 2026-08-12
Modified 2023-12-06
Fix URL N/A

Affected Packages

Software From version Fixed in
com.liferay.portal:release.dxp.bom 7.2.1 7.2.10.fp6
liferay — —

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