Top 10-2017 Details About Risk Factors

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2017 Table of Contents

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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
(Exploitability)
Security Weakness
(Prevalence)
Security Weakness
(Detectability)
Impacts
(Technical)
Impacts
(Business)
Score
A1:2017-Injection App Specific EASY: 3 COMMON: 2 EASY: 3 SEVERE: 3 App Specific 8.0
A2:2017-Broken Authentication App Specific EASY: 3 COMMON: 2 AVERAGE: 2 SEVERE: 3 App Specific 7.0
A3:2017-Sensitive Data Exposure App Specific AVERAGE: 2 WIDESPREAD: 3 AVERAGE: 2 SEVERE: 3 App Specific 7.0
A4:2017-XML External Entities (XXE) App Specific AVERAGE: 2 COMMON: 2 EASY: 3 SEVERE: 3 App Specific 7.0
A5:2017-Broken Access Control App Specific AVERAGE: 2 COMMON: 2 AVERAGE: 2 SEVERE: 3 App Specific 6.0
A6:2017-Security Misconfiguration App Specific EASY: 3 WIDESPREAD: 3 EASY: 3 MODERATE: 2 App Specific 6.0
A7:2017-Cross-Site Scripting (XSS) App Specific EASY: 3 WIDESPREAD: 3 EASY: 3 MODERATE: 2 App Specific 6.0
A8:2017-Insecure Deserialization App Specific DIFFICULT: 1 COMMON: 2 AVERAGE: 2 SEVERE: 3 App Specific 5.0
A9:2017-Vulnerable Components App Specific AVERAGE: 2 WIDESPREAD: 3 AVERAGE: 2 MODERATE: 2 App Specific 4.7
A10:2017-Insufficient Logging&Monitoring 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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