VDB-154157 · CVE-2020-11890 · GCVE-0-2020-11890

Joomla CMS up to 3.9.16 ACL input validation

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.
6.2	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in Joomla CMS up to 3.9.16 and classified as critical. This vulnerability affects unknown code of the component ACL. The manipulation leads to input validation. This vulnerability is uniquely identified as CVE-2020-11890. The attack is possible to be carried out remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Joomla CMS up to 3.9.16 (Content Management System) and classified as critical. This issue affects an unknown part of the component ACL. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in Joomla! before 3.9.17. Improper input validations in the usergroup table class could lead to a broken ACL configuration.

The weakness was disclosed 04/21/2020. The identification of this vulnerability is CVE-2020-11890 since 04/19/2020. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

Upgrading to version 3.9.17 eliminates this vulnerability.

The entries VDB-154158 and VDB-154156 are pretty similar. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Content Management System

Vendor

Joomla

Name

Version

License

open-source

Website

Vendor: https://www.joomla.org/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.2

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
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: 🔍

Upgrade: CMS 3.9.17

Timelineinfo

04/19/2020 🔍
04/21/2020 +2 days 🔍
04/22/2020 +1 days 🔍
06/01/2024 +1501 days 🔍

Sourcesinfo

Vendor: joomla.org

Advisory: developer.joomla.org
Status: Not defined

CVE: CVE-2020-11890 (🔍)
GCVE (CVE): GCVE-0-2020-11890
GCVE (VulDB): GCVE-100-154157
See also: 🔍

Entryinfo

Created: 04/22/2020 10:07
Updated: 06/01/2024 11:04
Changes: 04/22/2020 10:07 (38), 04/22/2020 10:12 (18), 06/01/2024 11:04 (18)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.