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CVE-2021-32690

27
FAUCET Score

CVE-2021-32690 is a high-severity vulnerability affecting Helm versions prior to 3.6.1, where repository credentials (username/password) could be inadvertently transmitted to an external domain referenced within a Helm repository's index.yaml file. With a CVSS score of 8.6, this vulnerability has a network attack vector and low attack complexity, potentially leading to unauthorized disclosure of sensitive credentials. While there is a workaround involving manual auditing of repository index files, there is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.6.1CPE matchmatch criteria
cpe:2.3:a:helm:helm:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.8MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.2
Impact Score
4.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.40%
Probability of exploitation in next 30 days
EPSS Percentile
69.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0140 is in the 50th percentile among its peer group of 51,551 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (28)

gopatch availablevia ghsa
Product: helm.sh/helm/v3Fixed in: 3.6.1
microsoftpatch availablevia msrc
Product: 18994-16820Fixed in: 3.4.1-4
microsoftpatch availablevia msrc
Product: 18995-16823Fixed in: 3.4.1-4
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 ARMFixed in: 3.4.1-4
microsoftpatch availablevia msrc
Product: cm1 helm 3.4.1-4 on CBL Mariner 1.0Fixed in: 3.4.1-4
microsoftpatch availablevia msrc
Product: cbl2 helm 3.4.1-4 on CBL Mariner 2.0Fixed in: 3.4.1-4
microsoftpatch availablevia msrc
Product: CBL Mariner 1.0 x64Fixed in: 3.4.1-4
microsoftpatch availablevia msrc
Product: CBL Mariner 1.0 ARMFixed in: 3.4.1-4
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 x64Fixed in: 3.4.1-4
redhatpatch availablevia redhat_api
Product: RHEL-8 based Middleware ContainersFixed in: web-terminal-tech-preview/web-terminal-tooling-rhel8:1.3-6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Advanced Cluster Management for Kubernetes 2.3 for RHEL 8Fixed in: rhacm2/multicluster-operators-channel-rhel8:v2.3.3-2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 4.9Fixed in: openshift4/ose-console:v4.9.0-202110130449.p0.git.8c077e4.assembly.rc.8
View patch
redhatpatch availablevia redhat_api
Product: RHACS-3.67-RHEL-8Fixed in: advanced-cluster-security/rhacs-rhel8-operator:3.67.0-3
View patch
redhatpatch availablevia redhat_api
Product: RHEL-8 based Middleware ContainersFixed in: web-terminal-tech-preview/web-terminal-exec-rhel8:1.3-9
View patch
redhatpatch availablevia redhat_api
Product: RHEL-8 based Middleware ContainersFixed in: web-terminal-tech-preview/web-terminal-rhel8-operator:1.3-20
View patch
redhatpatch availablevia redhat_api
Product: RHEL-8 based Middleware ContainersFixed in: web-terminal-tech-preview/web-terminal-rhel8-operator-metadata:1.3-19
View patch
redhatno patchvia redhat_api
Product: Red Hat Ansible Automation Platform 1.2Fixed in: helm
redhatno patchvia redhat_api
Product: Red Hat Ansible Automation Platform 2Fixed in: helm
redhatno patchvia redhat_api
Product: Red Hat OpenShift Container Platform 4Fixed in: openshift4/ose-ansible-operator
redhatno patchvia redhat_api
Product: Red Hat OpenShift Container Platform 4Fixed in: openshift4/ose-helm-rhel9-operator
redhatno patchvia redhat_api
Product: Red Hat Advanced Cluster Management for Kubernetes 2Fixed in: multicloud-operators-subscription
redhatno patchvia redhat_api
Product: Red Hat Advanced Cluster Management for Kubernetes 2Fixed in: multicloud-operators-subscription-release
redhatno patchvia redhat_api
Product: Red Hat OpenShift Container Platform 4Fixed in: openshift4/ose-operator-sdk-rhel8
redhatno patchvia redhat_api
Product: Red Hat Advanced Cluster Management for Kubernetes 2Fixed in: multicloud-operators-application
redhatno patchvia redhat_api
Product: Red Hat Advanced Cluster Management for Kubernetes 2Fixed in: multicloud-operators-channel
redhatno patchvia redhat_api
Product: Red Hat Advanced Cluster Management for Kubernetes 2Fixed in: multicloud-operators-foundation
redhatend of lifevia redhat_api
Product: Red Hat OpenShift Container Platform 4Fixed in: openshift4/ose-metering-helm-container-rhel8
redhatend of lifevia redhat_api
Product: OpenShift Developer Tools and ServicesFixed in: helm

Vendor Advisories (4)

microsoft2021-Sep/CVE-2021-32690

CVE-2021-32690

Sep 14, 2021
goGHSA-56hp-xqp3-w2jfmedium

Helm passes repository credentials to alternate domain

Jun 23, 2021
redhatCVE-2021-32690Moderate

helm: information disclosure vulnerability

Jun 16, 2021
microsoft2021-Jun/CVE-2021-32690Important

Repository credentials passed to alternate domain

Jun 8, 2021

References

github.com / helm/helm/releases/tag/v3.6.1
Third Party Advisory
github.com / helm/helm/security/advisories/GHSA-56hp-xqp3-w2jf
Third Party Advisory