HashiCorp Consul Enterprise version 1.7.0 up to 1.8.4 includes a namespace replication…
Priority LOW 38CWE-400Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-400.
Summary
HashiCorp Consul Enterprise version 1.7.0 up to 1.8.4 includes a namespace replication bug which can be triggered to cause denial of service via infinite Raft writes. Fixed in 1.7.9 and 1.8.5.
Why it matters now
EPSS 0.0261 85th percentileScored 2026-11-07
Fix Fixed github.com/hashicorp/consul (Go): 1.7.9, 1.8.5
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | github.com/hashicorp/consul (Go) | 1.7.0 to before 1.7.9 | 1.7.9 | Patch available | GHSA-496g-fr33-whrf |
| — | github.com/hashicorp/consul (Go) | 1.8.0 to before 1.8.5 | 1.8.5 | Patch available | GHSA-496g-fr33-whrf |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- github.com/hashicorp/consul (Go) Vendor— Affected 1.7.0 to before 1.7.9 Fixed in 1.7.9 Patch available GHSA-496g-fr33-whrf
- github.com/hashicorp/consul (Go) Vendor— Affected 1.8.0 to before 1.8.5 Fixed in 1.8.5 Patch available GHSA-496g-fr33-whrf
Remediation
- Fix · GHSA-496g-fr33-whrf github.com/hashicorp/consul (Go) Fixed in 1.7.9 Advisory →
- Fix · GHSA-496g-fr33-whrf github.com/hashicorp/consul (Go) Fixed in 1.8.5 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2020-25201
- 2026-10-03 Alias added: GHSA-496g-fr33-whrf
References
Advisory 4
More HashiCorp Consul vulnerabilities
- TI-2021-18437 HashiCorp Consul Enterprise before 1.8.17, 1.9.x before 1.9.11, and 1.10.x before 1.10.4… CVSS 3.1HIGH 8.8
- TI-2022-11698 HashiCorp Consul and Consul Enterprise up to 1.9.16, 1.10.9, and 1.11.4 may allow server… CVSS 3.1HIGH 7.5
- TI-2021-02215 An issue was discovered in GoGo Protobuf before 1.3.2. CVSS 3.1HIGH 8.6
- TI-2024-09286 Consul L7 Intentions Vulnerable To Headers Bypass CVSS 3.1HIGH 8.3
- TI-2023-02638 Consul Envoy Extension Downsteam Proxy Configuration By Upstream Service Owner CVSS 3.1HIGH 8.7
- TI-2022-03595 Consul Peering Imported Nodes/Services Leak CVSS 3.1HIGH 7.5
Sources
- CVE-2020-25201 · CVE Program
- CVE-2020-25201 · NVD
- FIRST EPSS
- GHSA-496g-fr33-whrf · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences