CVE-2021-20873

Published: Dic 28, 2021 Last Modified: Nov 21, 2024 EU-VD ID: EUVD-2021-8282 Aliases: GSD-2021-20873
ExploitDB:
Other exploit source:
Google Dorks:
HIGH 8,1
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: required
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: none
MEDIUM 5,8
Source: [email protected]
Access Vector: network
Access Complexity: medium
Authentication: none
Confidentiality: partial
Integrity: partial
Availability: none

Description

AI Translation Available

Yappli is an application development platform which provides the function to access a requested URL using Custom URL Scheme. When Android apps are developed with Yappli versions since v7.3.6 and prior to v9.30.0, they are vulnerable to improper authorization in Custom URL Scheme handler, and may be directed to unintended sites via a specially crafted URL.

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,0027
Percentile
0,5th
Updated

EPSS Score Trend (Last 90 Days)

862

Missing Authorization

Incomplete
Abstraction: Class Structure: Simple
Common Consequences
Security Scopes Affected:
Confidentiality Integrity Access Control Availability
Potential Impacts:
Read Application Data Read Files Or Directories Modify Application Data Modify Files Or Directories Gain Privileges Or Assume Identity Bypass Protection Mechanism Dos: Crash, Exit, Or Restart Dos: Resource Consumption (Cpu) Dos: Resource Consumption (Memory) Dos: Resource Consumption (Other)
Applicable Platforms
Technologies: AI/ML, Database Server, Not Technology-Specific, Web Server
Likelihood of Exploit: High
View CWE Details
Application

Yappli by Yappli

Product Information
Vendor Yappli
Product Yappli
Version Range Affected
From 7.3.6 (inclusive)
To 9.30.0 (exclusive)
cpe:2.3:a:yappli:yappli:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://jvn.jp/en/jp/JVN66422035/index.html
Third Party Advisory
https://jvn.jp/en/jp/JVN66422035/index.html
https://support.yappli.co.jp/hc/ja/articles/4410249902745
Vendor Advisory
https://support.yappli.co.jp/hc/ja/articles/4410249902745
https://jvn.jp/en/jp/JVN66422035/index.html
Third Party Advisory
https://jvn.jp/en/jp/JVN66422035/index.html
https://support.yappli.co.jp/hc/ja/articles/4410249902745
Vendor Advisory
https://support.yappli.co.jp/hc/ja/articles/4410249902745