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Fencer Vulns
medium 6.5

CVE-2022-40716 json

HashiCorp Consul vulnerable to authorization bypass

published 2022-09-23 4 y ago modified 2026-09-10 1 mo ago also BIT-consul-2022-40716 , EUVD-2022-6870 , GHSA-m69r-9g56-7mv8 , GO-2022-1029

cvss
6.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.1%
EPSS 1.1% chance of exploitation in 30 days, percentile 65%
public exploits
0
none known

Summary

HashiCorp Consul and Consul Enterprise up to 1.11.8, 1.12.4, and 1.13.1 do not check for multiple SAN URI values in a CSR on the internal RPC endpoint, enabling leverage of privileged access to bypass service mesh intentions. Fixed in 1.11.9, 1.12.5, and 1.13.2."

Patch / fix

  • go github.com/hashicorp/consul 1.11.9, 1.12.5, 1.13.2
  • bitnami consul 1.11.9, 1.12.5, 1.13.2
  • hashicorp consul 1.11.9, 1.12.5, 1.13.2
  • consul Alpine 3.16 1.12.5-r0
  • consul Alpine 3.18, Alpine 3.17 1.13.2-r0

alpine advisories ALPINE-CVE-2022-40716

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

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-2022-40716 updated cvss 6.5

consul: Consul Service Mesh Intention Bypass with Malicious Certificate Signing Request

  • Red Hat Advanced Cluster Management for Kubernetes 2 rhacm2/acm-grafana-rhel8
    affected: no fix planned “Will not fix”
  • Red Hat OpenShift Container Platform 4 openshift4/topology-aware-lifecycle-manager-rhel8-operator
    affected: no fix available
  • Red Hat Openshift Data Foundation 4 odf4/odr-rhel8-operator, odf4/odf-multicluster-rhel9-operator
    affected: no fix available, no fix planned “Will not fix”
  • Red Hat Logging Subsystem for Red Hat OpenShift openshift-logging/logging-loki-rhel8 Red Hat OpenShift Container Platform 4 openshift4/ose-grafana
    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

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
17 mo ago

Exploit prediction

1.09% chance of exploitation in the next 30 days, higher than 65% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
GitHub 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
OSV 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Affected packages

ecosystem package affected fixed in
go github.com/hashicorp/consul
<1.11.9
>=1.12.0, <1.12.5
>=1.13.0, <1.13.2
1.11.9
1.12.5
1.13.2
bitnami consul
<1.11.9
>=1.12.0, <1.12.5
>=1.13.0, <1.13.2
1.11.9
1.12.5
1.13.2

Classification

Weakness

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.