StackRadar

CVE-2021-21424

Medium

Advisory

Published 13 May 2021In the index since 8 Sept 2026
Severity
Medium
worst across findings
CVSS
5.3
base score, highest
EPSS
0.017
76th percentile
CISA KEV
Not listed
no confirmed exploitation
Charts affected
17
of 17,781 indexed, latest versions
Container images
13
deployed by those charts
Fix available
6 of 6
affected packages

Prevent user enumeration using Guard or the new Authenticator-based Security

Carried by container images the latest versions of 17 of 17,781 indexed charts deploy, on 13 images.

Affected packageAffected versionsFixed inImages
symfony/security-corecomposerv4.4.8, v5.1.7, v5.1.8, v5.1.10+1 more4.4.23, 5.2.810
symfony/security-guardcomposerv4.4.8, v5.1.7, v5.1.8, v5.1.10+1 more4.4.23, 5.2.810
symfony/security-httpcomposerv5.1.7, v5.1.8, v5.1.10, v5.1.115.2.89
symfony/securitycomposerv2.8.34, v3.4.143.4.492
symfony/maker-bundlecomposerv1.30.21.31.11
symfony/symfonycomposerv3.4.473.4.491
OSV records
GHSA-5pv8-ppvj-4h68
Also known as
BIT-symfony-2021-21424

Charts affected

17 by stars
ChartLatestAffected imagesRadar Score
agendaserviceagendaservice1.0.01 of 3See more

agendaservice agendaservice 1.0.0

1 of the 3 container images this version deploys carry CVE-2021-21424.

Container imageDigestPackageFixed in
conduction/agendaservice-php:latest9cfeeb6c7c20
symfony/security-core@v5.1.10
symfony/security-guard@v5.1.10
symfony/security-http@v5.1.10
5.2.8
5.2.8
5.2.8

Open the chart page →

7,209
satisfyanapsixVerified publisher1.1.31 of 1See more

satisfy anapsix 1.1.3

1 of the 1 container images this version deploys carry CVE-2021-21424.

Container imageDigestPackageFixed in
anapsix/satisfydigest-pinnedfae78e3809e9
symfony/security@v3.4.14
3.4.49

Open the chart page →

1,572
balance-registrationbalance-registration0.1.01 of 4See more

balance-registration balance-registration 0.1.0

1 of the 4 container images this version deploys carry CVE-2021-21424.

Container imageDigestPackageFixed in
conduction/balance-registration-php:devc36094a41369
symfony/security-core@v5.1.10
symfony/security-guard@v5.1.10
symfony/security-http@v5.1.10
5.2.8
5.2.8
5.2.8

Open the chart page →

8,408
checkin-componentcheckin-component0.1.01 of 4See more

checkin-component checkin-component 0.1.0

1 of the 4 container images this version deploys carry CVE-2021-21424.

Container imageDigestPackageFixed in
conduction/checkin-component-php:dev3423845692c1
symfony/security-core@v5.1.10
symfony/security-guard@v5.1.10
symfony/security-http@v5.1.10
5.2.8
5.2.8
5.2.8

Open the chart page →

8,408
satisfycloudnativeapp1.0.01 of 1See more

satisfy cloudnativeapp 1.0.0

1 of the 1 container images this version deploys carry CVE-2021-21424.

Container imageDigestPackageFixed in
anapsix/satisfydigest-pinnedfae78e3809e9
symfony/security@v3.4.14
3.4.49

Open the chart page →

1,572
cgrccommongroundregistratiecomponent0.1.01 of 3See more

cgrc commongroundregistratiecomponent 0.1.0

1 of the 3 container images this version deploys carry CVE-2021-21424.

Container imageDigestPackageFixed in
conduction/cgrc-php:dev25415534d245
symfony/security-core@v4.4.8
symfony/security-guard@v4.4.8
4.4.23
4.4.23

Open the chart page →

7,572
conduction-uiconduction-ui0.1.01 of 6See more

conduction-ui conduction-ui 0.1.0

1 of the 6 container images this version deploys carry CVE-2021-21424.

Container imageDigestPackageFixed in
conduction/conduction-ui-php:dev2744565516e8
symfony/maker-bundle@v1.30.2
symfony/security-core@v5.1.11
symfony/security-guard@v5.1.11
symfony/security-http@v5.1.11
1.31.1
5.2.8
5.2.8
5.2.8

Open the chart page →

12,907
betaalservicecontacten-catalog1.0.01 of 3See more

betaalservice contacten-catalog 1.0.0

1 of the 3 container images this version deploys carry CVE-2021-21424.

Container imageDigestPackageFixed in
conduction/betaalservice-php:latestece1ab544c57
symfony/security-core@v5.1.10
symfony/security-guard@v5.1.10
symfony/security-http@v5.1.10
5.2.8
5.2.8
5.2.8

Open the chart page →

7,209
contactmoment-componentcontactmoment-component0.1.01 of 4See more

contactmoment-component contactmoment-component 0.1.0

1 of the 4 container images this version deploys carry CVE-2021-21424.

Container imageDigestPackageFixed in
conduction/contactmoment-component-php:deve1d4ad1e22a8
symfony/security-core@v5.1.8
symfony/security-guard@v5.1.8
symfony/security-http@v5.1.8
5.2.8
5.2.8
5.2.8

Open the chart page →

8,408
mauticdevtron0.1.31 of 3See more

mautic devtron 0.1.3

1 of the 3 container images this version deploys carry CVE-2021-21424.

Container imageDigestPackageFixed in
mautic/mautic:2.13-apachea954c5868d76
symfony/security@v2.8.34
3.4.49

Open the chart page →

2,939
mauticdevtron-labs0.1.31 of 3See more

mautic devtron-labs 0.1.3

1 of the 3 container images this version deploys carry CVE-2021-21424.

Container imageDigestPackageFixed in
mautic/mautic:2.13-apachea954c5868d76
symfony/security@v2.8.34
3.4.49

Open the chart page →

2,939
docparserdocparser0.1.01 of 4See more

docparser docparser 0.1.0

1 of the 4 container images this version deploys carry CVE-2021-21424.

Container imageDigestPackageFixed in
conduction/docparser-php:devb6f95c8ead7d
symfony/security-core@v5.1.10
symfony/security-guard@v5.1.10
symfony/security-http@v5.1.10
5.2.8
5.2.8
5.2.8

Open the chart page →

8,408
wallabaggeek-cookbookVerified publisher7.2.01 of 1See more

wallabag geek-cookbook 7.2.0

1 of the 1 container images this version deploys carry CVE-2021-21424.

Container imageDigestPackageFixed in
wallabag/wallabag:2.4.25e4c26a7fb4a
symfony/symfony@v3.4.47
3.4.49

Open the chart page →

4,358
kvkkvkservice0.1.01 of 4See more

kvk kvkservice 0.1.0

1 of the 4 container images this version deploys carry CVE-2021-21424.

Container imageDigestPackageFixed in
conduction/kvk-php:dev8f177f9f8a7b
symfony/security-core@v5.1.7
symfony/security-guard@v5.1.7
symfony/security-http@v5.1.7
5.2.8
5.2.8
5.2.8

Open the chart page →

8,534
panproto-application-nldesign0.1.01 of 5See more

pan proto-application-nldesign 0.1.0

1 of the 5 container images this version deploys carry CVE-2021-21424.

Container imageDigestPackageFixed in
conduction/pan-php:dev24f03c57568f
symfony/security-core@v5.1.10
symfony/security-guard@v5.1.10
symfony/security-http@v5.1.10
5.2.8
5.2.8
5.2.8

Open the chart page →

8,725
mauticromholdings0.1.31 of 3See more

mautic romholdings 0.1.3

1 of the 3 container images this version deploys carry CVE-2021-21424.

Container imageDigestPackageFixed in
mautic/mautic:2.13-apachea954c5868d76
symfony/security@v2.8.34
3.4.49

Open the chart page →

2,939
satisfyymrs1.0.21 of 1See more

satisfy ymrs 1.0.2

1 of the 1 container images this version deploys carry CVE-2021-21424.

Container imageDigestPackageFixed in
anapsix/satisfydigest-pinnedfae78e3809e9
symfony/security@v3.4.14
3.4.49

Open the chart page →

1,572

Container images carrying it

13 by charts deploying them

A fixed version is listed for 6 of the 6 affected packages.

Container imageDigestPackageFixed inUsed by
anapsix/satisfyfae78e3809e9
symfony/security@v3.4.14
3.4.49
3
mautic/mautic:2.13-apachea954c5868d76
symfony/security@v2.8.34
3.4.49
3
conduction/agendaservice-php:latest9cfeeb6c7c20
symfony/security-core@v5.1.10
symfony/security-guard@v5.1.10
symfony/security-http@v5.1.10
5.2.8
5.2.8
5.2.8
1
conduction/balance-registration-php:devc36094a41369
symfony/security-core@v5.1.10
symfony/security-guard@v5.1.10
symfony/security-http@v5.1.10
5.2.8
5.2.8
5.2.8
1
conduction/betaalservice-php:latestece1ab544c57
symfony/security-core@v5.1.10
symfony/security-guard@v5.1.10
symfony/security-http@v5.1.10
5.2.8
5.2.8
5.2.8
1
conduction/cgrc-php:dev25415534d245
symfony/security-core@v4.4.8
symfony/security-guard@v4.4.8
4.4.23
4.4.23
1
conduction/checkin-component-php:dev3423845692c1
symfony/security-core@v5.1.10
symfony/security-guard@v5.1.10
symfony/security-http@v5.1.10
5.2.8
5.2.8
5.2.8
1
conduction/conduction-ui-php:dev2744565516e8
symfony/maker-bundle@v1.30.2
symfony/security-core@v5.1.11
symfony/security-guard@v5.1.11
symfony/security-http@v5.1.11
1.31.1
5.2.8
5.2.8
5.2.8
1
conduction/contactmoment-component-php:deve1d4ad1e22a8
symfony/security-core@v5.1.8
symfony/security-guard@v5.1.8
symfony/security-http@v5.1.8
5.2.8
5.2.8
5.2.8
1
conduction/docparser-php:devb6f95c8ead7d
symfony/security-core@v5.1.10
symfony/security-guard@v5.1.10
symfony/security-http@v5.1.10
5.2.8
5.2.8
5.2.8
1
conduction/kvk-php:dev8f177f9f8a7b
symfony/security-core@v5.1.7
symfony/security-guard@v5.1.7
symfony/security-http@v5.1.7
5.2.8
5.2.8
5.2.8
1
conduction/pan-php:dev24f03c57568f
symfony/security-core@v5.1.10
symfony/security-guard@v5.1.10
symfony/security-http@v5.1.10
5.2.8
5.2.8
5.2.8
1
wallabag/wallabag:2.4.25e4c26a7fb4a
symfony/symfony@v3.4.47
3.4.49
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.