CVE-2018-21246

CRITICAL

Caddy < 0.10.13 - Authentication Bypass via TLS Client Authentication

Title source: llm

Description

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

References (2)

Core 2

Core References

Release Notes, Third Party Advisory x_refsource_misc

https://github.com/caddyserver/caddy/releases/tag/v0.10.13

Third Party Advisory x_refsource_misc

https://bugs.gentoo.org/715214

Scores

CVSS v3 9.8

EPSS 0.0272

EPSS Percentile 84.2%

Attack Vector NETWORK

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

Details

CWE

CWE-287

Status published

Products (2)

caddyserver/caddy < 0.10.3

caddyserver/caddy 0 - 0.10.13Go

Published Jun 15, 2020

Tracked Since Feb 18, 2026