ConsulGHSA-4qvx-qq5w-695p
HashiCorp Consul can use cleartext agent-to-agent RPC communication
Medium5.9CVE-2018-19653 · Published May 14, 2022 · updated Sep 10, 2026
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 versions
| Package | Affected | Fixed in |
|---|---|---|
| github.com/hashicorp/consul Go | >= 0.5.1, < 1.4.1 | 1.4.1 |
Details and references
- CVSS 3.0
- CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
- Severity from
- GitHub (reviewed advisory)
- Also known as
- CVE-2018-19653, GO-2023-1850
More Consul advisories
All Consul| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| May 242022 | HashiCorp Consul Cross-site Scripting vulnerability Medium6.1May 24, 2022 | Medium6.1 | 1.7.14+2 more |
| May 132022 | HashiCorp Consul vulnerable to Origin Validation ErrorHigh7.4May 13, 2022 | High7.4 | 1.4.4 |
| May 132022 | HashiCorp Consul Access Restriction BypassHigh8.1May 13, 2022 | High8.1 | 1.4.3 |
| Apr 202022 | Hashicorp Consul HTTP health check endpoints returning an HTTP redirect may be abused as SSRF vectorHigh7.5Apr 20, 2022 | High7.5 | 1.9.17+2 more |
| Feb 252022 | HashiCorp Consul Ingress Gateway Panic Can Shutdown ServersMedium6.5Feb 25, 2022 | Medium6.5 | 1.9.15+2 more |
| Feb 152022 | Denial of Service (DoS) in HashiCorp ConsulMedium5.3Feb 15, 2022 | Medium5.3 | 1.6.6+1 more |