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CVE-2020-9321

19
FAUCET Score

CVE-2020-9321 describes a vulnerability in Traefik 2.x before version 2.1.4 and TraefikEE 2.0.0, where the application improperly purges certificate contents from providers before logging, potentially exposing sensitive information. This high-severity vulnerability (CVSS 7.5) has a network attack vector, low attack complexity, and could lead to high integrity impact, allowing an attacker to manipulate data. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.0.0, <= 2.1.4CPE matchmatch criteria
cpe:2.3:a:traefik:traefik:*:*:*:*:*:*:*:*
2.0.0CPE matchmatch criteria
cpe:2.3:a:traefik:traefik_enterprise:2.0.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.72%
Probability of exploitation in next 30 days
EPSS Percentile
50.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0072 is in the 26th percentile among its peer group of 51,551 CVEs.

Social Chatter

No social media mentions found for this CVE.

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 (2)

github_advisorypatch availablevia nvd_reference
View patch
gopatch availablevia ghsa
Product: github.com/traefik/traefikFixed in: 2.1.4

Vendor Advisories (1)

goGHSA-7h6j-2268-fhcmmedium

Traefik has an Improper Certificate Handling issue

Sep 2, 2021

References

github.com / containous/traefik/pull/6281
PatchThird Party Advisory
github.com / containous/traefik/releases/tag/v2.1.4
Release Notes