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CVE-2021-22948

nvd nist
Published: Sep 23, 2021Modified: Jun 17, 2026

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7.1
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N
Exploitability: 2.8 / Impact: 4.2
Source: NVD

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.

Affected (2)

Revive Adserver
Configuration A
2 vulnerable
Vulnerable SoftwareAffected Versions
Revive Adserver
Before 5.3.0
Version 5.3.0 rc1

References (4)

Source: support@hackerone.com
ExploitThird Party Advisory
Source: support@hackerone.com
PatchVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
PatchVendor Advisory

Timeline

No history available yet.