CVE-2018-21246 describes an authentication bypass vulnerability in Caddy versions prior to 0.10.13, stemming from its mishandling of TLS client authentication due to the absence of a StrictHostMatching mode. This critical vulnerability, with a CVSS score of 9.8, allows unauthenticated remote attackers to achieve full compromise of confidentiality, integrity, and availability. While no active exploitation, public exploit code, or significant community discussion has been observed, its high FAUCET Risk Score of 80/100 indicates a substantial potential threat.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 0.10.3CPE matchmatch criteria | cpe:2.3:a:caddyserver:caddy:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.