CVE-2019-12815

Exp

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.

Published: 2019-07-19 Last update: 2025-11-04 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2019-12815 is rated High Exploit Risk (88.5/100): CVSS Critical severity, with high exploitation likelihood (EPSS 78.51%, 99th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2019-12815

EDB-ID Source Kind Published Link
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2019-12815

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-02 78.90% 78.51% -0.39%
2 2026-05-28 77.22% 78.90% +1.68%
3 2026-05-27 77.22%

Full EPSS history (44 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2019-12815

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.8 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
3.9 5.9 [email protected]
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 6.4 [email protected]

Weakness enumeration for CVE-2019-12815

OS Trackers for CVE-2019-12815

vendor priority summary link
debian low CVE-2019-12815 low priority: Debian including 1 source packages (proftpd-dfsg), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2019-12815
gentoo high CVE-2019-12815: 1 GLSA(s) (201908-16), 1 atom(s) (net-ftp/proftpd); latest impact high. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2019-12815
ubuntu medium CVE-2019-12815 medium priority: Ubuntu including 1 source packages (proftpd-dfsg), 18 status rows across 18 suites (bionic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): not-affected 13, needed 2, DNE 1, ignored 1, needs-triage 1. https://ubuntu.com/security/CVE-2019-12815

Affected software / configurations for CVE-2019-12815

Vendor Product Version Raw CPE
proftpd proftpd <= 1.3.5b cpe:2.3:a:proftpd:proftpd:*:*:*:*:*:*:*:*
fedoraproject fedora 29 cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*
fedoraproject fedora 30 cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*
debian debian_linux 8.0 cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
debian debian_linux 9.0 cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
debian debian_linux 10.0 cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
siemens simatic_cp_1543-1_firmware >= 2.0, < 2.2 cpe:2.3:o:siemens:simatic_cp_1543-1_firmware:*:*:*:*:*:*:*:*

References for CVE-2019-12815

URL Tags
http://bugs.proftpd.org/show_bug.cgi?id=4372 Exploit Issue Tracking Patch Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00004.html Broken Link
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00022.html Broken Link
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00009.html Broken Link
http://www.securityfocus.com/bid/109339 Broken Link Third Party Advisory VDB Entry
https://cert-portal.siemens.com/productcert/pdf/ssa-940889.pdf Third Party Advisory
https://github.com/proftpd/proftpd/pull/816 Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/08/msg00006.html Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OJDQ3XUYWO42TJBO53NUWDZRA35QMVEI/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XM5FPBAGSIKV6YJZEPM6GPGJO5JFT7XU/
https://seclists.org/bugtraq/2019/Aug/3 Mailing List Third Party Advisory
https://security.gentoo.org/glsa/201908-16 Third Party Advisory
https://tbspace.de/cve201912815proftpd.html Patch Third Party Advisory
https://www.debian.org/security/2019/dsa-4491 Third Party Advisory
http://seclists.org/fulldisclosure/2024/Aug/35
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