Vulnerability Monitor

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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.


Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 6.5, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction requiring only low-level privileges . The vulnerability impacts and availability (service disruption) for affected systems. Impacting 2 products from liferay, from liferay organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2020, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.


Published

2020-09-22T18:15:23.980

Last Modified

2024-11-21T05:06:17.603

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.5 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:S/C:N/I:N/A:P

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: SINGLE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

8.0

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-434

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application liferay digital_experience_platform 7.1 Yes
Application liferay digital_experience_platform 7.1 Yes
Application liferay digital_experience_platform 7.1 Yes
Application liferay digital_experience_platform 7.1 Yes
Application liferay digital_experience_platform 7.1 Yes
Application liferay digital_experience_platform 7.1 Yes
Application liferay digital_experience_platform 7.1 Yes
Application liferay digital_experience_platform 7.1 Yes
Application liferay digital_experience_platform 7.1 Yes
Application liferay digital_experience_platform 7.1 Yes
Application liferay digital_experience_platform 7.1 Yes
Application liferay digital_experience_platform 7.1 Yes
Application liferay digital_experience_platform 7.1 Yes
Application liferay digital_experience_platform 7.1 Yes
Application liferay digital_experience_platform 7.1 Yes
Application liferay digital_experience_platform 7.1 Yes
Application liferay digital_experience_platform 7.1 Yes
Application liferay digital_experience_platform 7.1 Yes
Application liferay digital_experience_platform 7.1 Yes
Application liferay digital_experience_platform 7.2 Yes
Application liferay digital_experience_platform 7.2 Yes
Application liferay digital_experience_platform 7.2 Yes
Application liferay digital_experience_platform 7.2 Yes
Application liferay digital_experience_platform 7.2 Yes
Application liferay digital_experience_platform 7.2 Yes
Application liferay liferay_portal < 7.3.3 Yes

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For liferay's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.