StackRadar

CVE-2021-29443

Medium

Advisory

Published 19 Apr 2021In the index since 8 Sept 2026
Severity
Medium
worst across findings
CVSS
5.9
base score, highest
EPSS
0.012
66th percentile
CISA KEV
Not listed
no confirmed exploitation
Charts affected
5
of 17,781 indexed, latest versions
Container images
3
deployed by those charts
Fix available
1 of 1
affected package

Padding Oracle Attack due to Observable Timing Discrepancy in jose

Carried by container images the latest versions of 5 of 17,781 indexed charts deploy, on 3 images.

Affected packageAffected versionsFixed inImages
josenpm1.26.1, 1.27.1, 2.0.41.28.1, 2.0.53
OSV records
GHSA-58f5-hfqc-jgch

Charts affected

5 by stars
ChartLatestAffected imagesRadar Score
backstagedeliveryheroVerified publisher0.1.151 of 2See more

backstage deliveryhero 0.1.15

1 of the 2 container images this version deploys carry CVE-2021-29443.

Container imageDigestPackageFixed in
martinaif/backstage-k8s-demo-backend:test143bc40a3da0e
jose@1.27.1
1.28.1

Open the chart page →

8,213
backstagehelm-charts-nr0.1.151 of 2See more

backstage helm-charts-nr 0.1.15

1 of the 2 container images this version deploys carry CVE-2021-29443.

Container imageDigestPackageFixed in
martinaif/backstage-k8s-demo-backend:test143bc40a3da0e
jose@1.27.1
1.28.1

Open the chart page →

8,213
kommandermesosphere-stable0.39.21 of 29See more

kommander mesosphere-stable 0.39.2

1 of the 29 container images this version deploys carry CVE-2021-29443.

Container imageDigestPackageFixed in
mesosphere/kommander:6.100.13917e82333a9
jose@2.0.4
2.0.5

Open the chart page →

68,284
opsportalmesosphere-stable0.9.51 of 3See more

opsportal mesosphere-stable 0.9.5

1 of the 3 container images this version deploys carry CVE-2021-29443.

Container imageDigestPackageFixed in
mesosphere/kommander:6.100.13917e82333a9
jose@2.0.4
2.0.5

Open the chart page →

7,027
kubernetes-external-secretstrozz6.3.01 of 1See more

kubernetes-external-secrets trozz 6.3.0

1 of the 1 container images this version deploys carry CVE-2021-29443.

Container imageDigestPackageFixed in
ghcr.io/external-secrets/kubernetes-external-secrets:6.3.0eab9bd0b6986
jose@1.26.1
1.28.1

Open the chart page →

2,838

Container images carrying it

3 by charts deploying them

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

Container imageDigestPackageFixed inUsed by
martinaif/backstage-k8s-demo-backend:test143bc40a3da0e
jose@1.27.1
1.28.1
2
mesosphere/kommander:6.100.13917e82333a9
jose@2.0.4
2.0.5
2
ghcr.io/external-secrets/kubernetes-external-secrets:6.3.0eab9bd0b6986
jose@1.26.1
1.28.1
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.