Vulnerability Details : 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 able to brute force session IDs in order to take over a specific account.
Vulnerability category: Cross site scripting (XSS)
Products affected by CVE-2021-22948
- cpe:2.3:a:revive-adserver:revive_adserver:*:*:*:*:*:*:*:*
- cpe:2.3:a:revive-adserver:revive_adserver:5.3.0:rc1:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-22948
0.23%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 61 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-22948
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:N/A:N |
8.6
|
2.9
|
NIST | |
|
7.1
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N |
2.8
|
4.2
|
NIST |
CWE ids for CVE-2021-22948
-
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.Assigned by: support@hackerone.com (Secondary)
-
The product uses a broken or risky cryptographic algorithm or protocol.Assigned by: nvd@nist.gov (Primary)
-
The product uses a Pseudo-Random Number Generator (PRNG) in a security context, but the PRNG's algorithm is not cryptographically strong.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-22948
-
https://www.revive-adserver.com/security/revive-sa-2021-005/
Revive Adserver Security Advisory SA-2021-005Patch;Vendor Advisory
-
https://hackerone.com/reports/1187820
#1187820 Reflected XSS on /admin/stats.phpExploit;Third Party Advisory
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