VulnerabilityModified
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.
HIGH 7.5EPSS 0.86%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.86%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.86% probability · 56th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-916
- Affected
- fluxbb/fluxbb
- Source
- cve@mitre.org
References
- https://www.acunetix.com/vulnerabilities/web/long-password-denial-of-service/#:~:text=By%20sending%20a%20very%20long%2Ca%20vulnerable%20password%20hashing%20implementation
- https://www.acunetix.com/vulnerabilities/web/long-password-denial-of-service/#:~:text=By%20sending%20a%20very%20long%2Ca%20vulnerable%20password%20hashing%20implementation
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.