CVE-2020-12797

Name: CVE-2020-12797
Creator: NVD / NIST
Published: 2020-06-11T20:15:11.21+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 1.55%

Last modified Jun 17, 2026

CVE-2020-12797 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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.. EPSS estimates a 1.55% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

5.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

EPSS Probability

1.55%

72.0th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Hashicorp	Consul	>= 1.4.0, < 1.6.6
Hashicorp	Consul	>= 1.4.0, <= 1.6.6
Hashicorp	Consul	>= 1.7.0, < 1.7.4

References

https://github.com/hashicorp/consul/blob/v1.6.6/CHANGELOG.mdRelease Notes, Third Party Advisory
https://github.com/hashicorp/consul/blob/v1.7.4/CHANGELOG.mdRelease Notes, Third Party Advisory
https://github.com/hashicorp/consul/pull/8047Patch, Third Party Advisory
https://github.com/hashicorp/consul/blob/v1.6.6/CHANGELOG.mdRelease Notes, Third Party Advisory
https://github.com/hashicorp/consul/blob/v1.7.4/CHANGELOG.mdRelease Notes, Third Party Advisory
https://github.com/hashicorp/consul/pull/8047Patch, Third Party Advisory

Timeline

Published: Jun 11, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-12797?

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.

How severe is CVE-2020-12797?

CVE-2020-12797 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 1.55% probability of exploitation in the next 30 days.

How do I fix CVE-2020-12797?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-12797?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST