CVE-2019-8321

Name: CVE-2019-8321
Creator: NVD / NIST
Published: 2019-06-17T20:15:10.307+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 3.37%

Last modified Jun 17, 2026

CVE-2019-8321 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. An issue was discovered in RubyGems 2.6 and later through 3.0.2. Since Gem::UserInteraction#verbose calls say without escaping, escape sequence injection is possible.. EPSS estimates a 3.37% chance of exploitation in the next 30 days.

Description

An issue was discovered in RubyGems 2.6 and later through 3.0.2. Since Gem::UserInteraction#verbose calls say without escaping, escape sequence injection is possible.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS Probability

3.37%

87.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-88

Affected Software

Vendor	Product	Versions
Rubygems	Rubygems	>= 2.6.0, <= 3.0.2
Debian	Debian Linux	9.0
Opensuse	Leap	15.0
Opensuse	Leap	15.1

References

http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.htmlMailing List, Third Party Advisory
https://hackerone.com/reports/317330Permissions Required, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/08/msg00027.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.htmlMailing List, Third Party Advisory
https://hackerone.com/reports/317330Permissions Required, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/08/msg00027.htmlMailing List, Third Party Advisory

Timeline

Published: Jun 17, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-8321?

An issue was discovered in RubyGems 2.6 and later through 3.0.2. Since Gem::UserInteraction#verbose calls say without escaping, escape sequence injection is possible.

How severe is CVE-2019-8321?

CVE-2019-8321 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 3.37% probability of exploitation in the next 30 days.

How do I fix CVE-2019-8321?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-8321?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST