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Fencer Vulns
high 7.5

CVE-2020-7219 json

Denial of Service (DoS) in HashiCorp Consul

published 2020-01-31 6 y ago modified 2026-09-10 1 mo ago also BIT-consul-2020-7219 , EUVD-2021-0892 , GHSA-23jv-v6qj-3fhh , GO-2022-0776

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.0%
EPSS 2.0% chance of exploitation in 30 days, percentile 81%
public exploits
0
none known

Summary

HashiCorp Consul and Consul Enterprise up to 1.6.2 HTTP/RPC services allowed unbounded resource usage, and were susceptible to unauthenticated denial of service. Fixed in 1.6.3.

Patch / fix

  • go github.com/hashicorp/consul 1.6.3
  • bitnami consul 1.6.2
  • hashicorp consul 1.6.2
  • consul Debian 11 1.7.0+dfsg1-1

debian advisories DEBIAN-CVE-2020-7219

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2020-7219 updated cvss 7.5

consul: HTTP/RPC Services Allow Unbounded Resource Usage

  • Red Hat OpenShift Service Mesh 1 servicemesh, servicemesh-mixc, servicemesh-mixs, servicemesh-galley, servicemesh-citadel, servicemesh-istioctl, +5 more Red Hat Fuse 7 consul-client consul-client
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.04% chance of exploitation in the next 30 days, higher than 81% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
GitHub 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P
OSV 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected packages

ecosystem package affected fixed in
go github.com/hashicorp/consul
<1.6.3
1.6.3
bitnami consul
<1.6.2
1.6.2

Classification

Weakness
  • CWE-400 Uncontrolled Resource Consumption
  • CWE-770 Allocation of Resources Without Limits or Throttling

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.