Vulnerability Details : 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.
Vulnerability category: BypassGain privilege
Products affected by CVE-2018-21246
- cpe:2.3:a:caddyserver:caddy:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-21246
0.67%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 69 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-21246
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
|
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2018-21246
-
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-21246
-
https://github.com/caddyserver/caddy/releases/tag/v0.10.13
Release 0.10.13 · caddyserver/caddy · GitHubRelease Notes;Third Party Advisory
-
https://bugs.gentoo.org/715214
715214 – (CVE-2018-21246) www-servers/caddy: Possible TLS client auth bypass (CVE-2018-21246)Third Party Advisory
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