OAT-002 Token Cracking

This is an automated threat. To view all automated threats, please see the Automated Threat Category page. The OWASP Automated Threat Handbook - Wed Applications (, print), an output of the OWASP Automated Threats to Web Applications Project, provides a fuller guide to each threat, detection methods and countermeasures. The helps to correctly identify the automated threat.

OWASP Automated Threat (OAT) Identity Number
OAT-002

Threat Event Name
Token Cracking

Summary Defining Characteristics
Mass enumeration of coupon numbers, voucher codes, discount tokens, etc.

Description
Identification of valid token codes providing some form of user benefit within the application. The benefit may be a cash alternative, a non-cash credit, a discount, or an opportunity such as access to a limited offer.

For cracking of usernames, see OAT-007 Credential Cracking instead.

Other Names and Examples
Coupon guessing; Voucher, gift card and discount enumeration

CAPEC Category / Attack Pattern IDs

 * 112 Brute Force
 * 210 Abuse of Functionality

CWE Base / Class / Variant IDs

 * 799 Improper Control of Interaction Frequency
 * 837 Improper Enforcement of a Single, Unique Action

WASC Threat IDs

 * 11 Brute Force
 * 21 Insfficient Anti-Automation
 * 42 Abuse of Functionality

OWASP Attack Category / Attack IDs

 * Abuse of Functionality
 * Brute Force Attack