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
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Hashicorp | Consul | 1.4.3 |
References
- https://github.com/hashicorp/consul/issues/5519Exploit, Third Party Advisory
- https://github.com/hashicorp/consul/issues/5519Exploit, Third Party Advisory
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.
Are you affected by CVE-2019-9764?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST