CVE-2020-13250

Name: CVE-2020-13250
Creator: NVD / NIST
Published: 2020-06-11T20:15:11.477+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 2.85%

Last modified Jun 17, 2026

CVE-2020-13250 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. HashiCorp Consul and Consul Enterprise include an HTTP API (introduced in 1.2.0) and DNS (introduced in 1.4.3) caching feature that was vulnerable to denial of service. Fixed in 1.6.6 and 1.7.4.. EPSS estimates a 2.85% chance of exploitation in the next 30 days.

Description

HashiCorp Consul and Consul Enterprise include an HTTP API (introduced in 1.2.0) and DNS (introduced in 1.4.3) caching feature that was vulnerable to denial of service. Fixed in 1.6.6 and 1.7.4.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

2.85%

84.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-770

Affected Software

Vendor	Product	Versions
Hashicorp	Consul	>= 1.2.0, < 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/8023Patch, 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/8023Patch, Third Party Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2020-13250?

HashiCorp Consul and Consul Enterprise include an HTTP API (introduced in 1.2.0) and DNS (introduced in 1.4.3) caching feature that was vulnerable to denial of service. Fixed in 1.6.6 and 1.7.4.

How severe is CVE-2020-13250?

CVE-2020-13250 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 2.85% probability of exploitation in the next 30 days.

How do I fix CVE-2020-13250?

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-2020-13250?

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

Scan your code now

Source: NVD / NIST