All vulnerabilities

Servers and applications

CVE-2018-21246

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

Severity
Critical 9.8
Published
15 Jun 2020
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
0.10.3
Sources
NVD

Affected software

SoftwareAffected versions
CaddyServers and applications · cpe:a:caddyserver:caddy
  • Every version before 0.10.3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2018-21246
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2018-21246