1. Home
  2. CVE Database
  3. CVE-2021-22948
HIGH · 7.1

CVE-2021-22948

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 a...

Vulnerability 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 Score

7.1

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
LOW
Availability
NONE

Affected Products

VendorProductVersions
Revive-AdserverRevive Adserver< 5.3.0

Related Weaknesses (CWE)

CWE-79CWE-338

References

FAQ

What is CVE-2021-22948?

CVE-2021-22948 is a vulnerability with a CVSS score of 7.1 (HIGH). 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 a...

How severe is CVE-2021-22948?

CVE-2021-22948 has been rated HIGH with a CVSS base score of 7.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-22948?

Check the references section above for vendor advisories and patch information. Affected products include: Revive-Adserver Revive Adserver.