CVE-2010-20103: ProFTPD Project ProFTPD (Professional FTP Daemon)

ProFTPD 1.3.3c Backdoor Command Execution

CVSS 9.3 CriticalCriticalEPSS 0.14 · 96th percentile

Critical, because:

CVSS score 9.3: 9.0 or more.
CVSS score 9.3 (7.0 or more) and EPSS 0.14 (0.1 or more): a high score and a real chance of exploitation in the next 30 days.

Published by the CVE Program (CNA: VulnCheck) at 20 Aug 2025, 15:38 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
ProFTPD Project	ProFTPD (Professional FTP Daemon) pkg:github/proftpd/proftpd	affected 1.3.3c Other versions: unaffected

Identifiers

CVE-2010-20103

CNA

VulnCheck

Weakness (CWE)

CWE-912

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
9.3	Critical	4.0	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N	CNA (VulnCheck)

CISA KEV Not listed.
EPSS 0.14, the 96th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 20 Aug 2025. New records show when each source confirmed them.

Sources

References from the CNA

web.archive.org/web/20111107212129/http://rsync.proftpd.org/ vendor-advisorypatch
advisories.checkpoint.com/defense/advisories/public/2011/cpai-2010-151.html/ third-party-advisory
github.com/proftpd/proftpd product
www.proftpd.org/ product
www.vulncheck.com/advisories/proftpd-backdoor-command-execution third-party-advisory
raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/unix/ftp/proftpd_133c_backdoor.rb exploit
www.exploit-db.com/exploits/15662 exploit
www.exploit-db.com/exploits/16921 exploit

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.