What’s Vulnerable › Vulnerabilities

CVE-2018-19653

• Severity: medium (CVSS 5.9 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-12-09 · updated 2026-06-17
• Weakness: CWE-310

Description

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.

Affected products

• HashiCorp Consul: from 0.5.1 through 1.4.0

References

• https://github.com/hashicorp/consul/pull/5069
• https://groups.google.com/forum/#%21topic/consul-tool/7TCw06oio0I
• https://github.com/hashicorp/consul/pull/5069
• https://groups.google.com/forum/#%21topic/consul-tool/7TCw06oio0I

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