CVE-2021-22948

HighCVSS 7.1/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 7.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N

Weakness enumeration

CWE-79 CWE-338

Affected software

Vendor	Product	Versions
n/a	https://github.com/revive-adserver/revive-adserver	Fixed version v5.3.0

References

https://hackerone.com/reports/1187820Exploit, Third Party Advisory
https://www.revive-adserver.com/security/revive-sa-2021-005/Patch, Vendor Advisory
https://hackerone.com/reports/1187820Exploit, Third Party Advisory
https://www.revive-adserver.com/security/revive-sa-2021-005/Patch, Vendor Advisory

Timeline

Published: Sep 23, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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