Vulnerabilities > CVE-2021-22948 - Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) vulnerability in Revive-Adserver Revive Adserver

047910
CVSS 7.1 - HIGH
Attack vector
NETWORK
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
HIGH
Integrity impact
LOW
Availability impact
NONE
network
low complexity
revive-adserver
CWE-338

Summary

Vulnerability in the generation of session IDs in revive-adserver < 5.3.0, based on the cryptographically insecure uniqid() PHP function. Under some circumstances, an attacker could theoretically be able to brute force session IDs in order to take over a specific account.