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MitreCVE-2018-21246

HistoryJun 15, 2020 - 5:15 p.m.

CVE-2018-21246

2020-06-1517:15:09

CWE-287

mitre

web.nvd.nist.gov

caddy

cve-2018-21246

tls authentication

security

nvd

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

9.6

Confidence

High

EPSS

0.003

Percentile

71.0%

JSON

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

Affected configurations

Nvd

Node

caddyservercaddyRange<0.10.3

VendorProductVersionCPE
caddyservercaddy*cpe:2.3:a:caddyserver:caddy:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
caddyserver	caddy	*	cpe:2.3:a:caddyserver:caddy::::::::

References

bugs.gentoo.org/715214

github.com/caddyserver/caddy/releases/tag/v0.10.13

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

9.6

Confidence

High

EPSS

0.003

Percentile

71.0%

JSON

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