CVE-2018-21246

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Published Jun 15, 2020 CVSS 3.1 · 9.8 Critical EPSS 2.7% KEV · Not listed

Description

Caddy before 0.10.13 mishandles TLS client authentication, as demonstrated by an authentication bypass caused by the lack of the StrictHostMatching mode.

Analysis

No analysis available yet

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:caddyserver:caddy:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No remediation available yet

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2022-7098	Caddy before 0.10.13 mishandles TLS client authentication, as demonstrated by an authentication bypass caused by the lack of the StrictHostMatching mode.
Github GHSA	GHSA-gr7w-x2jp-3xgw	Caddy vulnerable to Authentication Bypass due to mishandling of TLS client authentication

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: 2.7% (2.723% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://bugs.gentoo.org/715214
https://github.com/caddyserver/caddy/releases/tag/v0.10.13

History

No history.

Subscriptions

Caddyserver Caddy

Weaknesses

CWE-287
Improper Authentication

Sources

CVE record Updated: Aug 5, 2024, 12:26 PM

Status: PUBLISHED
Assigner: mitre
Published: Jun 15, 2020, 4:50 PM
Updated: Aug 5, 2024, 12:26 PM
Reserved: Jun 15, 2020, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 1:54 AM

Status: Modified
Published: Jun 15, 2020, 5:15 PM
Modified: Jun 17, 2026, 1:54 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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