CVE-2019-11365

Exp

An issue was discovered in atftpd in atftp 0.7.1. A remote attacker may send a crafted packet triggering a stack-based buffer overflow due to an insecurely implemented strncpy call. The vulnerability is triggered by sending an error packet of 3 bytes or fewer. There are multiple instances of this vulnerable strncpy pattern within the code base, specifically within tftpd_file.c, tftp_file.c, tftpd_mtftp.c, and tftp_mtftp.c.

Published: 2019-04-20 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2019-11365 is rated High Exploit Risk (87.7/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 4.29%). 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +2.09% over the last day, indicating growing attacker interest. 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-2019-11365

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

Exploit prediction scoring system (EPSS) score for CVE-2019-11365

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 2026-06-15 2.20% 4.29% +2.09%
2 2026-06-07 3.73% 2.20% -1.53%
3 2026-03-21 — 3.73% —

Full EPSS history (23 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2019-11365

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.8 3.0 CRITICAL
CVSS:3.0/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-2019-11365

OS Trackers for CVE-2019-11365

vendor priority summary link
debian not yet assigned CVE-2019-11365 not yet assigned priority: Debian including 1 source packages (atftp), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2019-11365
gentoo high CVE-2019-11365: 1 GLSA(s) (202003-14), 1 atom(s) (net-ftp/atftp); latest impact high. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2019-11365
suse critical CVE-2019-11365 severity critical: SUSE including 4 source package names (atftp-0.7.0-135.16.16.3.1, atftp-0.7.0-135.23.3.1, atftp-0.7.0-160.8.1, atftp-0.7.5-1.1), 25 product×package rows across 25 product lines (SUSE Enterprise Storage 4, SUSE Linux Enterprise Desktop 12 SP3, … (25 product lines)): Fixed 25. https://www.suse.com/security/cve/CVE-2019-11365/
ubuntu medium CVE-2019-11365 medium priority: Ubuntu including 1 source packages (atftp), 9 status rows across 9 suites (bionic, cosmic, disco, eoan, focal, groovy, trusty, upstream, xenial): not-affected 3, ignored 2, released 2, DNE 1, needs-triage 1. https://ubuntu.com/security/CVE-2019-11365

Affected software / configurations for CVE-2019-11365

Vendor Product Version Raw CPE
atftp_project atftp 0.7.1 cpe:2.3:a:atftp_project:atftp:0.7.1:*:*:*:*:*:*:*

References for CVE-2019-11365

cvelogic Threat Intelligence