What is CVE-2017-6880?

CVE-2017-6880 is a critical-severity vulnerability in Cerberus FTP Server, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2017-03-17.

How severe is CVE-2017-6880?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Cerberus FTP Server

CVE-2017-6880

Buffer overflow in Cerberus FTP Server 8.0.10.3 allows remote attackers to cause a denial of service (daemon crash) or possibly have unspecified other impact via a long MLST command.

Vulnerability class: Buffer Overflow

Published 2017-03-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.143 (96.5th percentile), scored 2026-10-05.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 96.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.143 · newest: 0.143 · change: 0.000

Affected products

Cerberus FTP Server — versions 8.0.10.3

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

www.exploit-db.com/exploits/41620/ (Exploit, VDB Entry, Third Party Advisory, exploit)

Frequently asked questions

What is CVE-2017-6880?: CVE-2017-6880 is a critical-severity vulnerability in Cerberus FTP Server, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2017-03-17.
How severe is CVE-2017-6880?: Critical severity. CVSS v3 base score is 9.8 out of 10.