CVE-2020-12797
Incorrect Permission Assignment for Critical Resource in Hashicorp Consul
HashiCorp Consul and Consul Enterprise failed to enforce changes to legacy ACL token rules due to non-propagation to secondary data centers. Introduced in 1.4.0, fixed in 1.6.6 and 1.7.4.
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
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
5.3
HashiCorp Consul and Consul Enterprise failed to enforce changes to legacy ACL token rules due to non-propagation to secondary data centers. Introduced in 1.4.0, fixed in 1.6.6 and 1.7.4.
- Record
CVE-2020-12797- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:P/A:N - Updated
- 2026-11-02
CVE List No score
HashiCorp Consul and Consul Enterprise failed to enforce changes to legacy ACL token rules due to non-propagation to secondary data centers. Introduced in 1.4.0, fixed in 1.6.6 and 1.7.4.
- Record
CVE-2020-12797- Updated
- 2026-11-02
EUVDEUVD-2021-1337 No score
HashiCorp Consul and Consul Enterprise failed to enforce changes to legacy ACL token rules due to non-propagation to secondary data centers. Introduced in 1.4.0, fixed in 1.6.6 and 1.7.4.
- Record
EUVD-2021-1337- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-hwqm-x785-qh8p
5.3
Incorrect Permission Assignment for Critical Resource in Hashicorp Consul
HashiCorp Consul and Consul Enterprise failed to enforce changes to legacy ACL token rules due to non-propagation to secondary data centers. Introduced in 1.4.0, fixed in 1.6.6 and 1.7.4.
Specific Go Packages Affected
github.com/hashicorp/consul/agent/structs
- Record
GHSA-hwqm-x785-qh8p- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-732
- Updated
- 2026-11-02
OSV
5.3
HashiCorp Consul and Consul Enterprise failed to enforce changes to legacy ACL token rules due to non-propagation to secondary data centers. Introduced in 1.4.0, fixed in 1.6.6 and 1.7.4.
- Record
CVE-2020-12797- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Updated
- 2026-11-02
OSVDEBIAN-CVE-2020-12797
5.3
HashiCorp Consul and Consul Enterprise failed to enforce changes to legacy ACL token rules due to non-propagation to secondary data centers. Introduced in 1.4.0, fixed in 1.6.6 and 1.7.4.
- Record
DEBIAN-CVE-2020-12797- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Updated
- 2026-11-02
Show 4 moreShow less
OSVGHSA-hwqm-x785-qh8p
5.3
Incorrect Permission Assignment for Critical Resource in Hashicorp Consul
HashiCorp Consul and Consul Enterprise failed to enforce changes to legacy ACL token rules due to non-propagation to secondary data centers. Introduced in 1.4.0, fixed in 1.6.6 and 1.7.4.
Specific Go Packages Affected
github.com/hashicorp/consul/agent/structs
- Record
GHSA-hwqm-x785-qh8p- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-732
- Updated
- 2026-11-02
OSVUBUNTU-CVE-2020-12797
5.3
HashiCorp Consul and Consul Enterprise failed to enforce changes to legacy ACL token rules due to non-propagation to secondary data centers. Introduced in 1.4.0, fixed in 1.6.6 and 1.7.4.
- Record
UBUNTU-CVE-2020-12797- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Updated
- 2026-11-02
OSVBIT-consul-2020-12797 No score
HashiCorp Consul and Consul Enterprise failed to enforce changes to legacy ACL token rules due to non-propagation to secondary data centers. Introduced in 1.4.0, fixed in 1.6.6 and 1.7.4.
- Record
BIT-consul-2020-12797- Updated
- 2026-11-02
OSVGO-2022-0847 No score
Incorrect Permission Assignment for Critical Resource in Hashicorp Consul in github.com/hashicorp/consul
Incorrect Permission Assignment for Critical Resource in Hashicorp Consul in github.com/hashicorp/consul
- Record
GO-2022-0847- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
github.com/hashicorp/consulGo |
1.6.0 up to 1.6.6 | 1.6.6 |
github.com/hashicorp/consulGo |
1.7.0 up to 1.7.4 | 1.7.4 |
consulBitnami |
1.4.0 up to 1.6.7, 1.7.0 up to 1.7.4 | 1.6.71.7.4 |
consulDebian:11 |
before 1.7.4+dfsg1-1 | 1.7.4+dfsg1-1 |
github.com/hashicorp/consulGo |
1.6.0 up to 1.6.6, 1.7.0 up to 1.7.4 | 1.6.61.7.4 |
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 |
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-2020-12797 is a medium vulnerability (CVSS 5.3) in Hashicorp Consul, published June 11, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.55%, the 75th percentile. Fixed in github.com/hashicorp/consul 1.6.6.