CVE-2020-7219
Denial of Service (DoS) in HashiCorp Consul
HashiCorp Consul and Consul Enterprise up to 1.6.2 HTTP/RPC services allowed unbounded resource usage, and were susceptible to unauthenticated denial of service. Fixed in 1.6.3.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
HashiCorp Consul and Consul Enterprise up to 1.6.2 HTTP/RPC services allowed unbounded resource usage, and were susceptible to unauthenticated denial of service. Fixed in 1.6.3.
- Record
CVE-2020-7219- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-770
- Updated
- 2026-11-02
CVE List No score
HashiCorp Consul and Consul Enterprise up to 1.6.2 HTTP/RPC services allowed unbounded resource usage, and were susceptible to unauthenticated denial of service. Fixed in 1.6.3.
- Record
CVE-2020-7219- Updated
- 2026-11-02
EUVDEUVD-2021-0892 No score
HashiCorp Consul and Consul Enterprise up to 1.6.2 HTTP/RPC services allowed unbounded resource usage, and were susceptible to unauthenticated denial of service. Fixed in 1.6.3.
- Record
EUVD-2021-0892- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-23jv-v6qj-3fhh
Denial of Service (DoS) in HashiCorp Consul
HashiCorp Consul and Consul Enterprise up to 1.6.2 HTTP/RPC services allowed unbounded resource usage, and were susceptible to unauthenticated denial of service. Fixed in 1.6.3.
Specific Go Packages Affected
github.com/hashicorp/consul/agent/consul
- Record
GHSA-23jv-v6qj-3fhh- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-400, CWE-770
- Updated
- 2026-11-02
OSV
HashiCorp Consul and Consul Enterprise up to 1.6.2 HTTP/RPC services allowed unbounded resource usage, and were susceptible to unauthenticated denial of service. Fixed in 1.6.3.
- Record
CVE-2020-7219- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2020-7219
HashiCorp Consul and Consul Enterprise up to 1.6.2 HTTP/RPC services allowed unbounded resource usage, and were susceptible to unauthenticated denial of service. Fixed in 1.6.3.
- Record
DEBIAN-CVE-2020-7219- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Show 4 moreShow less
OSVGHSA-23jv-v6qj-3fhh
Denial of Service (DoS) in HashiCorp Consul
HashiCorp Consul and Consul Enterprise up to 1.6.2 HTTP/RPC services allowed unbounded resource usage, and were susceptible to unauthenticated denial of service. Fixed in 1.6.3.
Specific Go Packages Affected
github.com/hashicorp/consul/agent/consul
- Record
GHSA-23jv-v6qj-3fhh- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-400, CWE-770
- Updated
- 2026-11-02
OSVUBUNTU-CVE-2020-7219
HashiCorp Consul and Consul Enterprise up to 1.6.2 HTTP/RPC services allowed unbounded resource usage, and were susceptible to unauthenticated denial of service. Fixed in 1.6.3.
- Record
UBUNTU-CVE-2020-7219- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVBIT-consul-2020-7219 No score
HashiCorp Consul and Consul Enterprise up to 1.6.2 HTTP/RPC services allowed unbounded resource usage, and were susceptible to unauthenticated denial of service. Fixed in 1.6.3.
- Record
BIT-consul-2020-7219- Updated
- 2026-11-02
OSVGO-2022-0776 No score
Denial of Service (DoS) in HashiCorp Consul in github.com/hashicorp/consul
Denial of Service (DoS) in HashiCorp Consul in github.com/hashicorp/consul
- Record
GO-2022-0776- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
github.com/hashicorp/consulGo |
before 1.6.3 | 1.6.3 |
consulBitnami |
before 1.6.2 | 1.6.2 |
consulDebian:11 |
before 1.7.0+dfsg1-1 | 1.7.0+dfsg1-1 |
consulUbuntu:18.04:LTS |
All versions, plus listed versions 0.6.4~dfsg-3 |
None known |
consulUbuntu:20.04:LTS |
All versions, plus listed versions 1.0.7~dfsg1-5ubuntu11.4.4~dfsg1-2ubuntu21.5.2+dfsg1-61.5.2+dfsg1-101.5.2+dfsg1-121.5.2+dfsg2-14 |
None known |
consulUbuntu:22.04:LTS |
All versions, plus listed versions 1.7.4+dfsg1-11.8.7+dfsg1-3 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-7219 is a high vulnerability (CVSS 7.5) in Hashicorp Consul, published January 31, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.04%, the 81st percentile. Fixed in github.com/hashicorp/consul 1.6.3.