Vulnerability Details : CVE-2020-28873
Fluxbb 1.5.11 is affected by a denial of service (DoS) vulnerability by sending an extremely long password via the user login form. When a long password is sent, the password hashing process will result in CPU and memory exhaustion on the server.
Vulnerability category: Denial of service
Products affected by CVE-2020-28873
- cpe:2.3:a:fluxbb:fluxbb:1.5.11:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-28873
0.14%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 30 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-28873
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.8
|
HIGH | AV:N/AC:L/Au:N/C:N/I:N/A:C |
10.0
|
6.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2020-28873
-
The product generates a hash for a password, but it uses a scheme that does not provide a sufficient level of computational effort that would make password cracking attacks infeasible or expensive.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-28873
-
http://fluxbb.com
FluxBB - fast, light, user-friendly PHP forum softwareProduct
-
https://www.acunetix.com/vulnerabilities/web/long-password-denial-of-service/#:~:text=By%20sending%20a%20very%20long,a%20vulnerable%20password%20hashing%20implementation
Long password denial of service - Vulnerabilities - AcunetixThird Party Advisory
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