Is CVE-2019-5021 in the CISA KEV catalog?

No. CVE-2019-5021 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-5021?

CVE-2019-5021 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2019-5021?

CVE-2019-5021 has an EPSS score of 6.26% (93th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2019-5021?

No published fix for CVE-2019-5021 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2019-5021

CRITICALEPSS 93th pctl

9.8

CVSS v3

NVD

Description

Versions of the Official Alpine Linux Docker images (since v3.3) contain a NULL password for the `root` user. This vulnerability appears to be the result of a regression introduced in December of 2015. Due to the nature of this issue, systems deployed using affected versions of the Alpine Linux container which utilize Linux PAM, or some other mechanism which uses the system shadow file as an authentication database, may accept a NULL password for the `root` user.

CWE-258

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

6.26%probability of exploitation in 30 days

93rdpercentile

High risk: more likely to be exploited than 93% of all known CVEs.

References

Patch1

talosintelligence.com

Vendor Advisory1

alpinelinux.org

Third-Party Advisory3

Other references1

securityfocus.com

Embed a live status badge for CVE-2019-5021

Markdown

[![CVE-2019-5021](https://tridentstack.com/cve/badge/CVE-2019-5021.svg)](https://tridentstack.com/cve/CVE-2019-5021)

HTML

<a href="https://tridentstack.com/cve/CVE-2019-5021"><img src="https://tridentstack.com/cve/badge/CVE-2019-5021.svg" alt="CVE-2019-5021"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.