CVE-2019-8322

An issue was discovered in RubyGems 2.6 and later through 3.0.2. The gem owner command outputs the contents of the API response directly to stdout. Therefore, if the response is crafted, escape sequence injection may occur.

Published: 2019-06-17 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2019-8322 is rated Moderate Risk (49.6/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.33%). 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-2019-8322

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 2026-03-04 0.18% 0.33% +0.15%
2 2026-03-01 0.33% 0.18% -0.15%
3 2026-02-04 — 0.33% —

Full EPSS history (42 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2019-8322

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:N/I:H/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:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
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:N/I:P/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:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2019-8322

GitHub Security Advisory for CVE-2019-8322

GHSA-mh37-8c3g-3fgc · Severity: high · Ecosystem: rubygems — RubyGems Escape sequence injection vulnerability in gem owner

OS Trackers for CVE-2019-8322

vendor priority summary link
debian not yet assigned CVE-2019-8322 not yet assigned priority: Debian including 2 source packages (jruby, rubygems), 9 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 9. https://security-tracker.debian.org/tracker/CVE-2019-8322
redhat low — https://access.redhat.com/security/cve/CVE-2019-8322
suse medium CVE-2019-8322 severity moderate: SUSE including 332 source package names (2.17-17.3:libruby2_5-2_5-2.5.5-4.3.1, 2.17-17.3:ruby2.5-2.5.5-4.3.1, …), 1033 product×package rows across 247 product lines (Container bci/ruby, Container suse/rmt-server, … (247 product lines)): Fixed 874, Known Affected 157, Known Not Affected 2. https://www.suse.com/security/cve/CVE-2019-8322/
ubuntu medium CVE-2019-8322 medium priority: Ubuntu including 6 source packages (jruby, ruby1.9.1, ruby2.0, ruby2.1, ruby2.3, ruby2.5), 112 status rows across 19 suites (bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): DNE 83, not-affected 12, released 8, needs-triage 6, ignored 2, needed 1. https://ubuntu.com/security/CVE-2019-8322

Affected software / configurations for CVE-2019-8322

Vendor Product Version Raw CPE
rubygems rubygems >= 2.6.0, <= 3.0.2 cpe:2.3:a:rubygems:rubygems:*:*:*:*:*:*:*:*
debian debian_linux 9.0 cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
opensuse leap 15.0 cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*
opensuse leap 15.1 cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*

References for CVE-2019-8322

URL Tags
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.html Mailing List Third Party Advisory
https://hackerone.com/reports/315087 Permissions Required Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/08/msg00027.html Mailing List Third Party Advisory
cvelogic Threat Intelligence