MEDIUM
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
Published Dec 9, 2018
5.9
MEDIUMCVSS 3.0
EPSS 1.22%
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
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
5.9 MEDIUM NVD
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact None
Availability Impact None
4.3 MEDIUM NVD
AV:N/AC:M/Au:N/C:P/I:N/A:N
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact None
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
1.22% 0.01223
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.01223
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.22% (0.01223) | 67.67th | v5 (v2026.06.15) |
| Sep 20, 2026 | 1.22% (0.01223) | 67.43th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.14% (0.00140) | 50.07th | v3 (v2023.03.01) |
| Nov 8, 2023 | 0.14% (0.00140) | 49.40th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.15% (0.00149) | 49.20th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.62% (0.00624) | 17.80th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.62% (0.00624) | 0.00th | v1 |
Weaknesses (1)
References (6)
- https://github.com/advisories/GHSA-4qvx-qq5w-695p Advisory
- https://github.com/hashicorp/consul/commit/b64e8b262f80397eab4f39c6ae7e14683cb9f55c
- https://github.com/hashicorp/consul/pull/5069 x_refsource_MISCIssue TrackingPatchThird Party Advisory
- https://groups.google.com/forum/#!topic/consul-tool/7TCw06oio0I
- https://groups.google.com/forum/#%21topic/consul-tool/7TCw06oio0I x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2018-19653
| Link | Providers | Tags |
|---|---|---|
| https://github.com/advisories/GHSA-4qvx-qq5w-695p | Advisory | |
| https://github.com/hashicorp/consul/commit/b64e8b262f80397eab4f39c6ae7e14683cb9f55c | ||
| https://github.com/hashicorp/consul/pull/5069 | x_refsource_MISCIssue TrackingPatchThird Party Advisory | |
| https://groups.google.com/forum/#!topic/consul-tool/7TCw06oio0I | ||
| https://groups.google.com/forum/#%21topic/consul-tool/7TCw06oio0I | x_refsource_MISC | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-19653 |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Dec 9, 2018
Updated Aug 5, 2024
Reserved Nov 28, 2018
Link CVE-2018-19653
CISA Vulnrichment
GHSA-4QVX-QQ5W-695P Updated n/a