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CVE-2019-9764

UnknownEPSS 0.60%

Last modified

CVE-2019-9764 is a vulnerability of currently unknown severity. 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. EPSS estimates a 0.60% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
0.60%

44.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
HashicorpConsul1.4.3

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2019-9764?
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.
How severe is CVE-2019-9764?
Severity scoring for CVE-2019-9764 is pending analysis. The EPSS model estimates a 0.60% probability of exploitation in the next 30 days.
How do I fix CVE-2019-9764?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST