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CVE-2018-21246

Critical

Description

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

SeverityCritical
CVSS9.8
Exploit probability—
ProductCaddy
PublishedJun 15, 2020
First seenJun 15, 2020

How to fix

Update
  • caddyserver caddy0.10.3 or later
  • github.com/caddyserver/caddy0.10.13 or later
  • github.com/mholt/caddy0.10.13 or later

Affected products

ProductAffected versionsFixed in
caddyserver caddyv < 0.10.30.10.3
github.com/caddyserver/caddyGov < 0.10.130.10.13
github.com/mholt/caddyGov < 0.10.130.10.13

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