Session ID Generation Vulnerability in Revive Adserver by Revive
CVE-2021-22948

7.1HIGH

Key Information:

Vendor

Revive-adserver

Status
Https://github.com/revive-adserver/revive-adserver
Vendor
CVE Published:
23 September 2021

What is CVE-2021-22948?

A vulnerability exists in Revive Adserver due to the insecure generation of session IDs utilizing the uniqid() PHP function in versions prior to 5.3.0. This flaw may enable attackers to potentially brute-force session IDs, leading to unauthorized access to user accounts. It is crucial for users of affected versions to implement appropriate security measures to safeguard against potential session hijacking.

Affected Version(s)

https://github.com/revive-adserver/revive-adserver Fixed version v5.3.0

References

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

CVSS V3.1

Score:
7.1
Severity:
HIGH
Confidentiality:
High
Integrity:
Low
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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