CVE-2021-22948

Public Exploit

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.

Categories

7.1
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.55%
Vendor Advisory revive-adserver.com
Affected: n/a https://github.com/revive-adserver/revive-adserver
Published at:
Updated at:

References

Link Tags
https://hackerone.com/reports/1187820 third party advisory exploit
https://www.revive-adserver.com/security/revive-sa-2021-005/ patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-22948?
CVE-2021-22948 has been scored as a high severity vulnerability.
How to fix CVE-2021-22948?
To fix CVE-2021-22948, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-22948 being actively exploited in the wild?
It is possible that CVE-2021-22948 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-22948?
CVE-2021-22948 affects n/a https://github.com/revive-adserver/revive-adserver.
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