CVE-2013-7463: Aescrypt Project Aescrypt

High severity, CVSS 7.5. EPSS: 1.1% chance of exploitation in the next 30 days.

The aescrypt gem 1.0.0 for Ruby does not randomize the CBC IV for use with the AESCrypt.encrypt and AESCrypt.decrypt functions, which allows attackers to defeat cryptographic protection mechanisms via a chosen plaintext attack.

Affected products

• Aescrypt Project Aescrypt: up to and including 1.0.0

Published 2017-04-19. Last modified 2026-06-17.