CVE-2020-9365

An issue was discovered in Pure-FTPd 1.0.49. An out-of-bounds (OOB) read has been detected in the pure_strcmp function in utils.c.

Published: 2020-02-24 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2020-9365 is rated High Risk (69.1/100): CVSS High severity, with high exploitation likelihood (EPSS 39.76%, 97th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +7.30% over the last day, indicating growing attacker interest. High exploitation likelihood—assess exposure and prioritize remediation.

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

Exploit prediction scoring system (EPSS) score for CVE-2020-9365

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 2026-05-31 32.46% 39.76% +7.30%
2 2026-03-20 30.36% 32.46% +2.10%
3 2026-03-16 — 30.36% —

Full EPSS history (60 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2020-9365

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N 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:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
 3.9 3.6 [email protected]
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N 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:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2020-9365

OS Trackers for CVE-2020-9365

vendor priority summary link
alpine high CVE-2020-9365: 1 source package rows (pure-ftpd); 7 state rows across 7 repos (3.17-community, 3.18-community, 3.19-community, 3.20-community, 3.21-community, 3.22-community, edge-community); fixed 7, open 0. https://security.alpinelinux.org/vuln/CVE-2020-9365
debian not yet assigned CVE-2020-9365 not yet assigned priority: Debian including 1 source packages (pure-ftpd), 4 status rows across 4 suites (bookworm, bullseye, sid, trixie): resolved 4. https://security-tracker.debian.org/tracker/CVE-2020-9365
gentoo low CVE-2020-9365: 1 GLSA(s) (202003-54), 1 atom(s) (net-ftp/pure-ftpd); latest impact low. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2020-9365
suse medium CVE-2020-9365 severity moderate: SUSE including 1 source package names (pure-ftpd-1.0.50-1.1), 1 product×package rows across 1 product lines (openSUSE Tumbleweed): Fixed 1. https://www.suse.com/security/cve/CVE-2020-9365/
ubuntu medium CVE-2020-9365 medium priority: Ubuntu including 1 source packages (pure-ftpd), 17 status rows across 17 suites (bionic, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): not-affected 12, needs-triage 2, DNE 1, ignored 1, released 1. https://ubuntu.com/security/CVE-2020-9365

Affected software / configurations for CVE-2020-9365

Vendor Product Version Raw CPE
pureftpd pure-ftpd 1.0.49 cpe:2.3:a:pureftpd:pure-ftpd:1.0.49:*:*:*:*:*:*:*
fedoraproject fedora 30 cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*
fedoraproject fedora 31 cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
fedoraproject fedora 32 cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*

References for CVE-2020-9365

cvelogic Threat Intelligence