StackRadar

CVE-2021-21239

Medium

Advisory

Published 21 Jan 2021In the index since 9 Sept 2026
Severity
Medium
worst across findings
CVSS
6.5
base score, highest
EPSS
0.013
68th percentile
CISA KEV
Not listed
no confirmed exploitation
Charts affected
2
of 17,781 indexed, latest versions
Container images
2
deployed by those charts
Fix available
1 of 1
affected package

Improper Verification of Cryptographic Signature in PySAML2

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

Affected packageAffected versionsFixed inImages
pysaml2pypi5.0.0, 6.1.06.5.02
OSV records
GHSA-5p3x-r448-pc62
Also known as
PYSEC-2021-49

Charts affected

2 by stars
ChartLatestAffected imagesRadar Score
redashinseefrlab2.1.01 of 3See more

redash inseefrlab 2.1.0

1 of the 3 container images this version deploys carry CVE-2021-21239.

Container imageDigestPackageFixed in
redash/redash:10.0.0.b503639392753c0376
pysaml2@6.1.0
6.5.0

Open the chart page →

3,314
huekatool1.0.81 of 1See more

hue katool 1.0.8

1 of the 1 container images this version deploys carry CVE-2021-21239.

Container imageDigestPackageFixed in
gethue/hue:4.11.011b649636e68
pysaml2@5.0.0
6.5.0

Open the chart page →

16,417

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
gethue/hue:4.11.011b649636e68
pysaml2@5.0.0
6.5.0
1
redash/redash:10.0.0.b503639392753c0376
pysaml2@6.1.0
6.5.0
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.