CVE-2018-19653

mediumpriority · track · 24EPSS 0.012 · 69 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.22% (69th) EPSS

CVSS 4.3 · medium

Is it mine?

3 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · osv · nvd

EPSS · scored 2026-10-27

HashiCorp Consul 0.5.1 through 1.4.0 can use cleartext agent-to-agent RPC communication because the verify_outgoing setting is improperly documented. NOTE: the vendor has provided reconfiguration steps that do not require a software upgrade.

cvss

Technical severity, 0–10. One row per scoring source.

5.9

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04.3mediumAV:N/AC:M/Au:N/C:P/I:N/A:Nprimary · NVD / NIST USexploitability 8.6 · impact 2.9

v3.05.9mediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:Nprimary · NVD / NIST USexploitability 2.2 · impact 3.6

v3.05.9mediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:Nsecondary · OSV

v3.05.4mediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-310USprimary

affected products (3)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
hashicorp consul0.5.1 → 1.4.0nvdUScpe:2.3:a:hashicorp:consul:*:*:*:*:*:*:*:*
Go github.com/hashicorp/consul0.5.1 → 1.4.1osvUSpkg:golang/github.com/hashicorp/consul

advisories (2)

Vendor and ecosystem advisories describing this.

GHSA-4qvx-qq5w-695pHashiCorp Consul can use cleartext agent-to-agent RPC communication2022-05-14ghsa · osvUS
HashiCorp Consul 0.5.1 through 1.4.0 can use cleartext agent-to-agent RPC communication because the `verify_outgoing` setting is improperly documented. NOTE: the vendor has provided reconfiguration steps that do not require a software upgrade.
GO-2023-1850HashiCorp Consul can use cleartext agent-to-agent RPC communication in github.com/hashicorp/consul2024-08-20vendor · osvUS
HashiCorp Consul can use cleartext agent-to-agent RPC communication in github.com/hashicorp/consul

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd osv nvd NVD CVE.org MITRE

published 2018-12-09modified 2026-06-17

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references (6)

External citations — patches, advisories, analysis.

scry

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