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Fencer Vulns
high 8.8

CVE-2022-24450 json

Incorrect Authorization in NATS nats-server

published 2022-02-08 4 y ago modified 2026-06-17 4 mo ago also BIT-nats-2022-24450 , EUVD-2022-1000 , GHSA-g6w6-r76c-28j7 , GO-2022-0307

cvss
8.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.3%
EPSS 1.3% chance of exploitation in 30 days, percentile 71%
public exploits
0
none known

Summary

NATS nats-server before 2.7.2 has Incorrect Access Control. Any authenticated user can obtain the privileges of the System account by misusing the "dynamically provisioned sandbox accounts" feature.

Patch / fix

  • go github.com/nats-io/nats-server/v2 2.7.2
  • go github.com/nats-io/nats-streaming-server 0.24.1
  • bitnami nats 2.7.2
  • linuxfoundation nats-server 2.7.2
  • nats nats_streaming_server 0.24.1

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-2022-24450 updated cvss 8.8

nats-server: misusing the "dynamically provisioned sandbox accounts" feature authenticated user can obtain the privileges of the System account

  • Red Hat Advanced Cluster Management for Kubernetes 2 rhacm2/thanos-rhel7, rhacm2/prometheus-rhel9, rhacm2/acm-grafana-rhel8, rhacm2/agent-service-rhel8, rhacm2/node-exporter-rhel8, rhacm2/observatorium-rhel8, +12 more
    affected: no fix available, no fix planned “Will not fix”
  • Red Hat Advanced Cluster Management for Kubernetes 2 rhacm2/multiclusterhub-rhel8, rhacm2/lighthouse-agent-rhel9, rhacm2/assisted-installer-rhel8, rhacm2/lighthouse-coredns-rhel9, rhacm2/memcached-exporter-rhel9, rhacm2/assisted-installer-reporter-rhel8, +2 more
    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

1.33% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
GitHub 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 9.0 AV:N/AC:L/Au:S/C:C/I:C/A:C
OSV 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
go github.com/nats-io/nats-server/v2
>=2.0.0, <2.7.2
2.7.2
go github.com/nats-io/nats-streaming-server
>=0.15.0, <0.24.1
0.24.1
bitnami nats
>=2.0.0, <2.7.2
2.7.2
go github.com/nats-io/nats-server
all versions
 no fix listed

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.