CVE-2021-22948 Information

Description

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.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N

Reference

https://www.revive-adserver.com/security/revive-sa-2021-005/ https://hackerone.com/reports/1187820

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

LOW

Base Score

NONE

Base Severity

7.1