VDB-161827 · CVE-2020-15840 · GCVE-0-2020-15840

Liferay Portal URL Encoding privileges management

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.2	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Liferay Portal, Liferay Portal EE and Liferay Portal DXP. The affected element is an unknown function of the component URL Encoding Handler. This manipulation causes privileges management. This vulnerability is tracked as CVE-2020-15840. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Liferay Portal, Liferay Portal EE and Liferay Portal DXP (affected version unknown). It has been declared as critical. Affected by this vulnerability is an unknown functionality of the component URL Encoding Handler. The manipulation with an unknown input leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

In Liferay Portal before 7.3.1, Liferay Portal 6.2 EE, and Liferay DXP 7.2, DXP 7.1 and DXP 7.0, the property 'portlet.resource.id.banned.paths.regexp' can be bypassed with doubled encoded URLs.

The weakness was disclosed 09/24/2020 (Website). It is possible to read the advisory at issues.liferay.com. This vulnerability is known as CVE-2020-15840 since 07/20/2020. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

Upgrading eliminates this vulnerability.

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Productinfo

Type

Enterprise Resource Planning Software

Name

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.2

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/20/2020 🔍
09/24/2020 +66 days 🔍
09/24/2020 +0 days 🔍
05/14/2025 +1692 days 🔍

Sourcesinfo

Advisory: issues.liferay.com
Status: Confirmed

CVE: CVE-2020-15840 (🔍)
GCVE (CVE): GCVE-0-2020-15840
GCVE (VulDB): GCVE-100-161827

Entryinfo

Created: 09/24/2020 19:58
Updated: 05/14/2025 01:06
Changes: 09/24/2020 19:58 (35), 09/24/2020 20:03 (3), 05/14/2025 01:06 (36)
Complete: 🔍
Cache ID: 216::103