CVE-2020-28873

HIGH

Fluxbb 1.5.11 - Denial of Service via Long Password Input

Title source: llm

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.

References (2)

Core 2

Core References

Product x_refsource_misc

http://fluxbb.com

Various Sources x_refsource_misc

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

Scores

CVSS v3 7.5

EPSS 0.0089

EPSS Percentile 54.5%

Attack Vector NETWORK

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

Details

CWE

CWE-916

Status published

Products (1)

fluxbb/fluxbb 1.5.11

Published Mar 17, 2021

Tracked Since Feb 18, 2026