StackRadar

CVE-2021-21708

Critical

Advisory

Published 31 Dec 2021In the index since 6 Sept 2026
Severity
Critical
worst across findings
CVSS
9.8
base score, highest
EPSS
0.030
87th percentile
CISA KEV
Not listed
no confirmed exploitation
Charts affected
3
of 17,781 indexed, latest versions
Container images
2
deployed by those charts
Fix available
1 of 1
affected package

The matching OSV records carry no description.

Carried by container images the latest versions of 3 of 17,781 indexed charts deploy, on 2 images.

Affected packageAffected versionsFixed inImages
php7.4deb7.4.3-4ubuntu2.6, 7.4.25-1+deb11u17.4.3-4ubuntu2.9, 7.4.28-1+deb11u12
OSV records
DEBIAN-CVE-2021-21708UBUNTU-CVE-2021-21708
Also known as
USN-5303-1

Charts affected

3 by stars
ChartLatestAffected imagesRadar Score
zabbix-serveraekondratievVerified publisher1.0.61 of 4See more

zabbix-server aekondratiev 1.0.6

1 of the 4 container images this version deploys carry CVE-2021-21708.

Container imageDigestPackageFixed in
zabbix/zabbix-web-nginx-pgsql:ubuntu-5.4.601de79c31391
php7.4@7.4.3-4ubuntu2.6
7.4.3-4ubuntu2.9

Open the chart page →

30,668
passboltcnieg1.1.171 of 2See more

passbolt cnieg 1.1.17

1 of the 2 container images this version deploys carry CVE-2021-21708.

Container imageDigestPackageFixed in
passbolt/passbolt:3.4.0-ce-non-root655547e17263
php7.4@7.4.25-1+deb11u1
7.4.28-1+deb11u1

Open the chart page →

3,543
passbolt-hachristianhuthVerified publisher6.0.11 of 4See more

passbolt-ha christianhuth 6.0.1

1 of the 4 container images this version deploys carry CVE-2021-21708.

Container imageDigestPackageFixed in
passbolt/passbolt:3.4.0-ce-non-root655547e17263
php7.4@7.4.25-1+deb11u1
7.4.28-1+deb11u1

Open the chart page →

10,817

Container images carrying it

2 by charts deploying them

A fixed version is listed for 1 of the 1 affected package.

Container imageDigestPackageFixed inUsed by
passbolt/passbolt:3.4.0-ce-non-root655547e17263
php7.4@7.4.25-1+deb11u1
7.4.28-1+deb11u1
2
zabbix/zabbix-web-nginx-pgsql:ubuntu-5.4.601de79c31391
php7.4@7.4.3-4ubuntu2.6
7.4.3-4ubuntu2.9
1

syft 1.42.1 · advisories as of 14 Sept 2026

Corrections: contact@stackradar.io

Catalogue: Artifact Hub · Advisories: OSV · Exploitation: FIRST EPSS, CISA KEV.