CVE-2020-28873

Published: Mar 17, 2021Modified: Jul 9, 2026

7.5

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitability: 3.9 / Impact: 3.6

Source: NVD

Description

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.

Affected (1)

Products: Fluxbb: Fluxbb

Fluxbb

1 product

Fluxbb

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Fluxbb Fluxbb	Version 1.5.11

Related CWEs

CWE-916

Use of Password Hash With Insufficient Computational Effort

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.

References (2)

https://www.acunetix.com/vulnerabilities/web/long-password-denial-of-service/#:~:text=By%20sending%20a%20very%20long%2Ca%20vulnerable%20password%20hashing%20implementation

Source: cve@mitre.org

https://www.acunetix.com/vulnerabilities/web/long-password-denial-of-service/#:~:text=By%20sending%20a%20very%20long%2Ca%20vulnerable%20password%20hashing%20implementation

Source: af854a3a-2127-422b-91ae-364da2661108

Timeline

No history available yet.