CVE-2019-5021

highpriority · track · 41OT risk · elevatedEPSS 0.063 · 94 %ileEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

6.26% (94th) EPSS

CVSS 10 · high

Is it mine?

12 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-26

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.

cvss

Technical severity, 0–10. One row per scoring source.

10.0

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 9–10

v2.010highAV:N/AC:L/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 10 · impact 10

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.09.8criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.09.8criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · talos-cna@cisco.com USexploitability 3.9 · impact 5.9

v3.19.8criticalAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.19criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-258USCWE-258USCWE-798US

affected products (12)

Products and version ranges known to be affected.

n/a Alpine Linux≤ Alpine Docker 3.3 Alpine Docker 3.4 Alpine Docker 3.5 Alpine Docker 3.6 Alpine Docker 3.7 Alpine Docker 3.8 Alpine Docker 3.9 Alpine Docker Edgeenisa_euvdEU
Docker Inc. Alpine Linux Docker≤ 3.3fstec_bduRU
Docker Inc. Alpine Linux Docker≤ 3.4fstec_bduRU
Docker Inc. Alpine Linux Docker≤ 3.5fstec_bduRU
Docker Inc. Alpine Linux Docker≤ 3.6fstec_bduRU
Docker Inc. Alpine Linux Docker≤ 3.7fstec_bduRU
Docker Inc. Alpine Linux Docker≤ 3.9fstec_bduRU
Docker Inc. Alpine Linux Docker≤ 3.8fstec_bduRU
f5 big-ip controller= 1.2.1nvdUScpe:2.3:a:f5:big-ip_controller:*:*:*:*:*:*:*:*
gliderlabs docker-alpine≥ 3.3nvdUScpe:2.3:a:gliderlabs:docker-alpine:*:*:*:*:*:*:*:*
opensuse leap= 15.0nvdUScpe:2.3:o:opensuse:leap:*:*:*:*:*:*:*:*
opensuse leap= 15.1nvdUScpe:2.3:o:opensuse:leap:*:*:*:*:*:*:*:*

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2019-05-08modified 2026-06-17

references (31)

External citations — patches, advisories, analysis.

scry

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