CVE-2019-12815 — An arbitrary file copy vulnerability in mod_copy in ProFTPD up to 1

An arbitrary file copy vulnerability in mod_copy in ProFTPD up to 1.3.5b allows for remote code execution and information disclosure without authentication, a related issue to CVE-2015-3306.

01What is this vulnerability?

An arbitrary file copy vulnerability in mod_copy in ProFTPD up to 1.3.5b allows for remote code execution and information disclosure without authentication, a related issue to CVE-2015-3306.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

08Timeline

• Published: 2019-07-19T22:56:14.000Z
• Last modified: 2025-11-04T16:09:12.220Z

09References

• tbspace.de — https://tbspace.de/cve201912815proftpd.html
• bugs.proftpd.org — http://bugs.proftpd.org/show_bug.cgi?id=4372
• github.com — https://github.com/proftpd/proftpd/pull/816
• www.securityfocus.com — http://www.securityfocus.com/bid/109339
• lists.fedoraproject.org — https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro…
• lists.fedoraproject.org — https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro…
• seclists.org — https://seclists.org/bugtraq/2019/Aug/3
• www.debian.org — https://www.debian.org/security/2019/dsa-4491
• lists.debian.org — https://lists.debian.org/debian-lts-announce/2019/08/msg00006.html
• lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00004.html
• lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00022.html
• security.gentoo.org — https://security.gentoo.org/glsa/201908-16
• lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00009.html
• cert-portal.siemens.com — https://cert-portal.siemens.com/productcert/pdf/ssa-940889.pdf