Language: JavaScript
Label: safe
CWE: CWE-331 \u2014 Insufficient Entropy
The product uses an algorithm or scheme that produces insufficient entropy, leaving patterns or clusters of values that are more likely to occur than others.

Code:
        AesCbcCryptor.prototype.getIv = function () {
            return crypto.getRandomValues(new Uint8Array(AesCbcCryptor.BLOCK_SIZE));
        };