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Top 10-2017 Details About Risk Factors

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← Note About Risks
2017 Table of Contents

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Methodology and Data →
Top 10 Risk Factor Summary

The following table presents a summary of the 2017 Top 10 Application Security Risks, and the risk factors we have assigned to each risk. These factors were determined based on the available statistics and the experience of the OWASP Top 10 team. To understand these risks for a particular application or organization, you must consider your own specific threat agents and business impacts. Even severe software weaknesses may not present a serious risk if there are no threat agents in a position to perform the necessary attack or the business impact is negligible for the assets involved.


Risk Threat Agents Attack Vectors Security Weakness
(Prevalence)
Security Weakness
(Detectability)
Technical Impacts Business Impacts Score
A1-Injection App Specific EASY: 3 COMMON: 2 EASY: 3 SEVERE: 3 App Specific 8.0
A2-Authentication App Specific EASY: 3 COMMON: 2 AVERAGE: 2 SEVERE: 3 App Specific 7.0
A3-XSS App Specific AVERAGE: 2 WIDESPREAD: 3 AVERAGE: 2 SEVERE: 3 App Specific 7.0
A4-Access Ctrl App Specific AVERAGE: 2 COMMON: 2 EASY: 3 SEVERE: 3 App Specific 7.0
A5-Misconfig App Specific AVERAGE: 2 COMMON: 2 AVERAGE: 2 SEVERE: 3 App Specific 6.0
A6-Sens. Data App Specific EASY: 3 WIDESPREAD: 3 EASY: 3 MODERATE: 2 App Specific 6.0
A7-Attack Prot. App Specific EASY: 3 WIDESPREAD: 3 EASY: 3 MODERATE: 2 App Specific 6.0
A8-CSRF App Specific DIFFICULT: 1 COMMON: 2 AVERAGE: 2 SEVERE: 3 App Specific 5.0
A9-Vulnerable Components App Specific AVERAGE: 2 WIDESPREAD: 3 AVERAGE: 2 MODERATE: 2 App Specific 4.7
A10-API Prot. App Specific AVERAGE: 2 WIDESPREAD: 3 DIFFICULT: 1 MODERATE: 2 App Specific 4.0
Additional Risks To Consider

The Top 10 covers a lot of ground, but there are many other risks you should consider and evaluate in your organization. Some of these have appeared in previous versions of the Top 10, and others have not, including new attack techniques that are being identified all the time. Other important application security risks (ordered by CWE-ID) that you should additionally consider include:

← Note About Risks
2017 Table of Contents

PDF version

Methodology and Data →

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