CVE-2020-12758
MEDIUM5.3EPSS 0.63%Denial of Service (DoS) in HashiCorp Consul in github.com/hashicorp/consul
Published: 2/15/2022Modified: 4/28/2026
Description
HashiCorp Consul and Consul Enterprise could crash when configured with an abnormally-formed service-router entry. Introduced in 1.6.0, fixed in 1.6.6 and 1.7.4.
Affected packages (4)
- Bitnami/consul>= 1.6.0, < 1.6.6, >= 1.7.0, < 1.7.4
- Debian/consulfrom 0, < 1.7.4+dfsg1-1
- Go/github.com/hashicorp/consul>= 1.6.0-beta1, < 1.6.6
- Go/github.com/hashicorp/consul>= 1.6.0-beta1, < 1.6.6, >= 1.7.0, < 1.7.4
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
References (7)
- ADVISORYhttps://github.com/advisories/GHSA-q2qr-3c2p-9235
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2020-12758
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2020-12758
- WEBhttps://github.com/hashicorp/consul/blob/v1.6.6/CHANGELOG.md
- WEBhttps://github.com/hashicorp/consul/blob/v1.7.4/CHANGELOG.md
- WEBhttps://github.com/hashicorp/consul/commit/69b44fb9424cfdc05f1b7243876ab10d236ef1fc
- WEBhttps://github.com/hashicorp/consul/pull/7783