CVE-2019-1020001

yard before 0.9.20 allows path traversal.

Published: 2019-07-29 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2019-1020001 is rated Moderate Risk (60.5/100): CVSS High severity, with medium exploitation likelihood (EPSS 2.33%). EPSS rose +2.09% over the last day, indicating growing attacker interest. Review affected assets and schedule 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-2019-1020001

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 0.25% 2.33% +2.09%
2 2025-11-21 0.53% 0.25% -0.28%
3 2025-11-18 — 0.53% —

Full EPSS history (16 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2019-1020001

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.0 HIGH
CVSS:3.0/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-2019-1020001

GitHub Security Advisory for CVE-2019-1020001

GHSA-xfhh-rx56-rxcr · Severity: high · Ecosystem: rubygems — Path Traversal vulnerability that affects yard

OS Trackers for CVE-2019-1020001

vendor priority summary link
debian low CVE-2019-1020001 low priority: Debian including 1 source packages (yard), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2019-1020001
redhat medium — https://access.redhat.com/security/cve/CVE-2019-1020001
suse high CVE-2019-1020001 severity important: SUSE including 1 source package names (rubygem-yard), 1 product×package rows across 1 product lines (SUSE Linux Enterprise Server for SAP All-in-One 11 SP4): Will Not Fix 1. https://www.suse.com/security/cve/CVE-2019-1020001/
ubuntu medium CVE-2019-1020001 medium priority: Ubuntu including 1 source packages (yard), 15 status rows across 15 suites (bionic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, trusty, upstream, xenial): not-affected 10, ignored 2, DNE 1, needs-triage 1, released 1. https://ubuntu.com/security/CVE-2019-1020001

Affected software / configurations for CVE-2019-1020001

Vendor Product Version Raw CPE
yardoc yard < 0.9.20 cpe:2.3:a:yardoc:yard:*:*:*:*:*:*:*:*

References for CVE-2019-1020001

cvelogic Threat Intelligence