6.5
MEDIUM
CVE-2020-15839
Liferay Portal File Size Denial-of-Service Vulnerability
Description

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.

INFO

Published Date :

Sept. 22, 2020, 6:15 p.m.

Last Modified :

Sept. 30, 2020, 3:29 p.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

2.8
Affected Products

The following products are affected by CVE-2020-15839 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Liferay liferay_portal
2 Liferay digital_experience_platform
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2020-15839.

URL Resource
https://issues.liferay.com/browse/LPE-17029 Vendor Advisory
https://issues.liferay.com/browse/LPE-17055 Vendor Advisory
https://portal.liferay.dev/learn/security/known-vulnerabilities Vendor Advisory
https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/119784928 Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-15839 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-15839 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Sep. 30, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:S/C:N/I:N/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://issues.liferay.com/browse/LPE-17029 No Types Assigned https://issues.liferay.com/browse/LPE-17029 Vendor Advisory
    Changed Reference Type https://issues.liferay.com/browse/LPE-17055 No Types Assigned https://issues.liferay.com/browse/LPE-17055 Vendor Advisory
    Changed Reference Type https://portal.liferay.dev/learn/security/known-vulnerabilities No Types Assigned https://portal.liferay.dev/learn/security/known-vulnerabilities Vendor Advisory
    Changed Reference Type https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/119784928 No Types Assigned https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/119784928 Vendor Advisory
    Added CWE NIST CWE-434
    Added CPE Configuration OR *cpe:2.3:a:liferay:digital_experience_platform:7.1:-:*:*:*:*:*:* *cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_1:*:*:*:*:*:* *cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_10:*:*:*:*:*:* *cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_11:*:*:*:*:*:* *cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_12:*:*:*:*:*:* *cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_13:*:*:*:*:*:* *cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_14:*:*:*:*:*:* *cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_15:*:*:*:*:*:* *cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_16:*:*:*:*:*:* *cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_17:*:*:*:*:*:* *cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_2:*:*:*:*:*:* *cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_3:*:*:*:*:*:* *cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_4:*:*:*:*:*:* *cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_5:*:*:*:*:*:* *cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_6:*:*:*:*:*:* *cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_7:*:*:*:*:*:* *cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_8:*:*:*:*:*:* *cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_9:*:*:*:*:*:* *cpe:2.3:a:liferay:digital_experience_platform:7.1:sp1:*:*:*:*:*:* *cpe:2.3:a:liferay:digital_experience_platform:7.2:-:*:*:*:*:*:* *cpe:2.3:a:liferay:digital_experience_platform:7.2:fix_pack_1:*:*:*:*:*:* *cpe:2.3:a:liferay:digital_experience_platform:7.2:fix_pack_2:*:*:*:*:*:* *cpe:2.3:a:liferay:digital_experience_platform:7.2:fix_pack_3:*:*:*:*:*:* *cpe:2.3:a:liferay:digital_experience_platform:7.2:fix_pack_4:*:*:*:*:*:* *cpe:2.3:a:liferay:digital_experience_platform:7.2:fix_pack_5:*:*:*:*:*:* *cpe:2.3:a:liferay:liferay_portal:*:*:*:*:*:*:*:* versions up to (excluding) 7.3.3
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-15839 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2020-15839 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.23 }} 0.00%

score

0.59011

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability