CVE-2020-25201

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.

Published: Nov 5, 2020
Updated: May 4, 2025
CVE: CVE-2020-25201
GHSA: GHSA-496g-fr33-whrf
Severity: High
Exploit:

CVSS v3:

Severity: High
Score: 7.5
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2:

Severity: Medium
Score: 5
AV:N/AC:L/Au:N/C:N/I:N/A:P

CWEs:

CWE-400
CWE-834

Affected Software
References

Software	From	Fixed in
hashicorp / consul	1.7.0	1.8.4.x
github.com/hashicorp/consul	1.7.0	1.7.9
github.com/hashicorp/consul	1.8.0	1.8.5

https://github.com/hashicorp/consul/blob/master/CHANGELOG.md#185-october-23-2020
https://github.com/hashicorp/consul/pull/9024
https://github.com/hashicorp/consul/releases/tag/v1.8.5
https://security.gentoo.org/glsa/202208-09
https://www.hashicorp.com/blog/category/consul

Vulnerability Database

CVE-2020-25201

Deep Security Visibility Without the Complexity