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CVE-2019-9764
DEB
High

HashiCorp Consul 1.4.3 lacks server hostname verification for agent-to-agent TLS communication. In other words, the product behaves as if v…

CVSS
7.4
High
EPSS
0.01
p44
Published
2019-01-01
Updated
2019-01-01
Description

HashiCorp Consul 1.4.3 lacks server hostname verification for agent-to-agent TLS communication. In other words, the product behaves as if verify_server_hostname were set to false, even when it is actually set to true. This is fixed in 1.4.4.

Tags · CWE
Pre-auth
CWE-346
CAPEC-21
CAPEC-59
CAPEC-60
CAPEC-75
CAPEC-76
CAPEC-89
CAPEC-111
CAPEC-141
CAPEC-142
CAPEC-160
CAPEC-384
CAPEC-385
CAPEC-386
CAPEC-387
CAPEC-388
CAPEC-510
Affected products
Consul
CVSS vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Timeline
2019-01-01
Published
2019-01-01
Updated
CVSS 3.1 breakdown
Attack Vector
AV: N
Network (N)
Attack Complexity
AC: H
High (H)
Privileges Required
PR: N
None (N)
User Interaction
UI: N
None (N)
Scope
S: U
Unchanged (U)
Confidentiality Impact
C: H
High (H)
Integrity Impact
I: H
High (H)
Availability Impact
A: N
None (N)
Exploit indicators
EPSS
0.006 · p44
Known exploited (KEV)
No
MITRE ATT&CK
Inferred via CAPEC
└ via CAPEC-21 · CWE-346
└ via CAPEC-60 · CWE-346
└ via CAPEC-21 · CWE-346
└ via CAPEC-21 · CWE-346
└ via CAPEC-60 · CWE-346
└ via CAPEC-141 · CWE-346
└ via CAPEC-142 · CWE-346
Known exploits — Сканер-ВС
No Сканер-ВС checks registered for this vulnerability yet.
Affected products
ProductVendorStatus
consulTracked
consulTracked
consulTracked
consulTracked
consulTracked
consulTracked
consulTracked
consulTracked
consulTracked
consulTracked
consul*Tracked
Source databases
DEB
CVE
UBU