Vulnerabilities > CVE-2021-27913 - Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) vulnerability in Acquia Mautic
Attack vector
NETWORK Attack complexity
MEDIUM Privileges required
SINGLE Confidentiality impact
PARTIAL Integrity impact
NONE Availability impact
NONE Summary
The function mt_rand is used to generate session tokens, this function is cryptographically flawed due to its nature being one pseudorandomness, an attacker can take advantage of the cryptographically insecure nature of this function to enumerate session tokens for accounts that are not under his/her control This issue affects: Mautic Mautic versions prior to 3.3.4; versions prior to 4.0.0.