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Fencer Vulns
medium 4.9

CVE-2023-0845 json

Consul Server Panic when Ingress and API Gateways Configured with Peering

published 2023-03-09 3 y ago modified 2026-09-08 2 mo ago also BIT-consul-2023-0845 , EUVD-2023-1131 , GHSA-wj6x-hcc2-f32j , GO-2023-1639

cvss
4.9
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 63%
public exploits
0
none known

Summary

Consul and Consul Enterprise allowed an authenticated user with service:write permissions to trigger a workflow that causes Consul server and client agents to crash under certain circumstances. This vulnerability was fixed in Consul 1.14.5.

Patch / fix

  • go github.com/hashicorp/consul 1.14.5
  • bitnami consul 1.14.5
  • hashicorp consul 1.14.5

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-2023-0845 updated cvss 6.5

hashicorp/consul: Consul Server Panic when Ingress and API Gateways Configured with Peering Connections

  • 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 Advanced Cluster Management for Kubernetes 2 rhacm2/acm-grafana-rhel8 Red Hat OpenShift Container Platform 4 openshift4/ose-grafana, openshift4/topology-aware-lifecycle-manager-rhel8-operator
    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
20 mo ago

Exploit prediction

1.00% chance of exploitation in the next 30 days, higher than 63% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 4.9 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
GitHub 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
OSV 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected packages

ecosystem package affected fixed in
go github.com/hashicorp/consul
>=1.14.0, <1.14.5
1.14.5
bitnami consul
<1.14.5
1.14.5

Affected products

  • HashiCorp Consul
  • HashiCorp Consul Enterprise

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.