Home/CVE/In Helm before versions 2.16.11 and 3.3.2 plugin names are not sanitized properly. As a result, a malicious plugin autho
CVE

CVE-2020-15186

In Helm before versions 2.16.11 and 3.3.2 plugin names are not sanitized properly. As a result, a malicious plugin autho

In Helm before versions 2.16.11 and 3.3.2 plugin names are not sanitized properly. As a result, a malicious plugin author could use characters in a plugin name that would result in unexpected behavior, such as duplicating the name of another plugin or spoofing the output to helm --help. This issue has been patched in Helm 3.3.2.

A possible workaround is to not install untrusted Helm plugins. Examine the name field in the plugin.yaml file for a plugin, looking for characters outside of the [a-zA-Z0-9._-] range.

LOW · CVSS 3.4 EPSS 0.00234
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-20Improper Input Validation
CWE-74Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
▤

Affected Products & Versions

2
helm>= 2.0.0 and < 2.16.11
helm>= 3.0.0 and < 3.3.2
▤

Affected Packages

2
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Go helm.sh/helm LOW fixed in 2.16.11
Go helm.sh/helm/v3 LOW fixed in 3.3.2
▣

Scoring & Timeline

3.4
LOW · CVSS v3.1 · security-advisories@github.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD17 Sep 2020 · 10:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:L/A:N
⚑

Vendor Advisories

2
suse-csafSUSE-SU-2020:3760-1
rhsaRHEA-2021:0729Moderate
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/helm/helm/commit/809e2d999e2c33e20e77f6bff30652d79c287542PatchThird Party Advisory
https://github.com/helm/helm/security/advisories/GHSA-m54r-vrmv-hw33Third Party Advisory
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