Read the docs
TI-2020-07450 Aliases CVE-2020-9321GHSA-7h6j-2268-fhcm

configurationwatcher.go in Traefik 2.x before 2.1.4 and TraefikEE 2.0.0 mishandles the…

Priority LOW 34CWE-295Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Spoofing, Information disclosure
Confidentiality · integrity · availability
None · High · None
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-295 and CWE-200.

Summary

configurationwatcher.go in Traefik 2.x before 2.1.4 and TraefikEE 2.0.0 mishandles the purging of certificate contents from providers before logging.

Why it matters now

EPSS 0.00739 54th percentileScored 2026-11-07
Fix Fixed github.com/traefik/traefik (Go): 2.1.4

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—github.com/traefik/traefik (Go)before 2.1.42.1.4Patch availableGHSA-7h6j-2268-fhcm
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • github.com/traefik/traefik (Go) Vendor— Affected before 2.1.4 Fixed in 2.1.4 Patch available GHSA-7h6j-2268-fhcm

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:traefik:traefik:*:*:*:*:*:*:*:*2.0.0 – 2.1.4Vulnerabletraefik
cpe:2.3:a:traefik:traefik_enterprise:2.0.0:*:*:*:*:*:*:*2.0.0Vulnerabletraefik
  • cpe:2.3:a:traefik:traefik:*:*:*:*:*:*:*:* Versions 2.0.0 – 2.1.4 Vulnerable ·traefik
  • cpe:2.3:a:traefik:traefik_enterprise:2.0.0:*:*:*:*:*:*:* Versions 2.0.0 Vulnerable ·traefik

Remediation

  • Fix · GHSA-7h6j-2268-fhcm github.com/traefik/traefik (Go) Fixed in 2.1.4 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-9321
  2. 2026-10-03 Alias added: GHSA-7h6j-2268-fhcm

References

  • TI-2023-23979 The HTTP/2 protocol allows a denial of service (server resource consumption) because… KEVCVSS 3.1HIGH 7.5
  • TI-2023-25774 Uncontrolled Resource Consumption in Traefik CVSS 3.1HIGH 7.5
  • TI-2025-40914 Traefik doesn't Prevent Path Normalization Bypass in Router + Middleware Rules CVSS 4.0MEDIUM 6.9
  • TI-2022-07529 Authorization header displayed in the debug logs CVSS 3.1MEDIUM 6.5
  • TI-2024-30459 HTTP client can remove the X-Forwarded headers in Traefik CVSS 3.1CRITICAL 9.8
  • TI-2026-60261 Traefik v3.7.0 Authentication Bypass via from-to-www-redirect CVSS 4.0CRITICAL 9.3
See all 83 →

Sources