Arbitrary file upload in Pureftpd Pure-ftpd
CVE-2021-40524
In Pure-FTPd before 1.0.50, an incorrect max_filesize quota mechanism in the server allows attackers to upload files of unbounded size, which may lead to denial of service or a server hang. This occurs because a certain greater-than-zero t…
Vulnerability class: Unrestricted File Upload
EPSS: 0.043 (90.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Pureftpd Pure-ftpd
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (x_refsource_CONFIRM, Patch, Third Party Advisory)
- cve@mitre.org (x_refsource_CONFIRM, Patch, Third Party Advisory)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2021-40524?
- CVE-2021-40524 is a high-severity vulnerability in Pureftpd Pure-ftpd, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 7.5/10. Published 2021-09-05.
- How severe is CVE-2021-40524?
- High severity. CVSS v3 base score is 7.5 out of 10.