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Fencer Vulns
critical 9.1

CVE-2023-22482 json

JWT audience claim is not verified

published 2023-01-25 3 y ago modified 2026-09-10 1 mo ago also GHSA-q9hr-j4rf-8fjc , GO-2023-1520 , EUVD-2023-0532

cvss
9.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 60%
public exploits
0
none known

Summary

Argo CD is a declarative, GitOps continuous delivery tool for Kubernetes. Versions of Argo CD starting with v1.8.2 and prior to 2.3.13, 2.4.19, 2.5.6, and 2.6.0-rc-3 are vulnerable to an improper authorization bug causing the API to accept certain invalid tokens. OIDC providers include an `aud` (audience) claim in signed tokens. The value of that claim specifies the intended audience(s) of the token (i.e. the service or services which are meant to accept the token). Argo CD _does_ validate that the token was signed by Argo CD's configured OIDC provider. But Argo CD _does not_ validate the audience claim, so it will accept tokens that are not intended for Argo CD. If Argo CD's configured OIDC provider also serves other audiences (for example, a file storage service), then Argo CD will accept a token intended for one of those other audiences. Argo CD will grant the user privileges based on the token's `groups` claim, even though those groups were not intended to be used by Argo CD. This bug also increases the impact of a stolen token. If an attacker steals a valid token for a different audience, they can use it to access Argo CD. A patch for this vulnerability has been released in versions 2.6.0-rc3, 2.5.6, 2.4.19, and 2.3.13. There are no workarounds.

Patch / fix

  • go github.com/argoproj/argo-cd 2.3.14, 2.4.20, 2.5.8, 2.6.0-rc5
  • go github.com/argoproj/argo-cd/v2 2.3.14, 2.4.20, 2.5.8, 2.6.0-rc5
  • argoproj argo_cd 2.3.14, 2.4.20, 2.5.8

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-2023-22482 updated cvss 8.8

ArgoCD: JWT audience claim is not verified

  • Red Hat OpenShift GitOps 1.5 openshift-gitops-1/argocd-rhel8 v1.5.9-2
    fixed: vendor fix RHSA-2023:0468
  • Red Hat OpenShift GitOps 1.6 openshift-gitops-1/argocd-rhel8 v1.6.4-3
    fixed: vendor fix RHSA-2023:0466
  • Red Hat OpenShift GitOps 1.7 openshift-gitops-1/argocd-rhel8 v1.7.1-2
    fixed: vendor fix RHSA-2023:0467
  • Red Hat OpenShift GitOps 1.5 openshift-gitops-1/dex-rhel8 v1.5.9-2, openshift-gitops-1/gitops-rhel8 v1.5.9-2, openshift-gitops-1/kam-delivery-rhel8 v1.5.9-2, openshift-gitops-1/applicationset-rhel8 v1.5.9-2, openshift-gitops-1/gitops-rhel8-operator v1.5.9-2, openshift-gitops-1/gitops-operator-bundle v1.5.9-2 Red Hat OpenShift GitOps 1.6 openshift-gitops-1/dex-rhel8 v1.6.4-3, openshift-gitops-1/gitops-rhel8 v1.6.4-3, openshift-gitops-1/kam-delivery-rhel8 v1.6.4-3, openshift-gitops-1/gitops-rhel8-operator v1.6.4-3, openshift-gitops-1/gitops-operator-bundle v1.6.4-3 Red Hat OpenShift GitOps 1.7 openshift-gitops-1/dex-rhel8 v1.7.1-2, openshift-gitops-1/gitops-rhel8 v1.7.1-2, openshift-gitops-1/kam-delivery-rhel8 v1.7.1-2, openshift-gitops-1/console-plugin-rhel8 v1.7.1-2, openshift-gitops-1/gitops-rhel8-operator v1.7.1-2, openshift-gitops-1/gitops-operator-bundle v1.7.1-2
    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
total
Assessed
19 mo ago

Exploit prediction

0.90% chance of exploitation in the next 30 days, higher than 60% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 9.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/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
GitHub 3.1 9.0 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
go github.com/argoproj/argo-cd
>=1.8.2, <2.3.14
>=2.4.0, <2.4.20
>=2.5.0, <2.5.8
>=2.6.0-rc1, <2.6.0-rc5
>=1.8.2
2.3.14
2.4.20
2.5.8
2.6.0-rc5
go github.com/argoproj/argo-cd/v2
<2.3.14
>=2.4.0, <2.4.20
>=2.5.0, <2.5.8
>=2.6.0-rc1, <2.6.0-rc5
2.3.14
2.4.20
2.5.8
2.6.0-rc5

Affected products

  • argoproj argo-cd

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.