VulnerabilityModified
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.
CRITICAL 9.8EPSS 2.72%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.72%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Caddy before 0.10.13 mishandles TLS client authentication, as demonstrated by an authentication bypass caused by the lack of the StrictHostMatching mode.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.72% probability · 85th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-287
- Affected
- caddyserver/caddy
- Source
- cve@mitre.org
References
- https://bugs.gentoo.org/715214Third Party Advisory
- https://github.com/caddyserver/caddy/releases/tag/v0.10.13Release Notes, Third Party Advisory
- https://bugs.gentoo.org/715214Third Party Advisory
- https://github.com/caddyserver/caddy/releases/tag/v0.10.13Release Notes, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.