Argo CD users with any cluster secret update access may update out-of-bounds cluster secrets
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-863.
Summary
Argo CD is a declarative, GitOps continuous delivery tool for Kubernetes. All Argo CD versions starting with 2.3.0-rc1 and prior to 2.3.17, 2.4.23 2.5.11, and 2.6.2 are vulnerable to an improper authorization bug which allows users who have the ability to update at least one cluster secret to update any cluster secret. The attacker could use this access to escalate privileges (potentially controlling Kubernetes resources) or to break Argo CD functionality (by preventing connections to external clusters). A patch for this vulnerability has been released in Argo CD versions 2.6.2, 2.5.11, 2.4.23, and 2.3.17. Two workarounds are available. Either modify the RBAC configuration to completely revoke all `clusters, update` access, or use the `destinations` and `clusterResourceWhitelist` fields to apply similar restrictions as the `namespaces` and `clusterResources` fields.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| argoproj | argo-cd | 2.3.0-rc1 to before 2.3.17; 2.4.0 to before 2.4.23; 2.5.0 to before 2.5.11; 2.6.0 to before 2.6.2 | 2.3.17, 2.4.23, 2.5.11, 2.6.2 | Patch available | CNA |
| — | github.com/argoproj/argo-cd (Go) | 2.3.0 to before 2.3.17 | 2.3.17 | Patch available | GHSA-3jfq-742w-xg8j |
| — | github.com/argoproj/argo-cd (Go) | 2.4.0 to before 2.4.23 | 2.4.23 | Patch available | GHSA-3jfq-742w-xg8j |
| — | github.com/argoproj/argo-cd (Go) | 2.5.0 to before 2.5.11 | 2.5.11 | Patch available | GHSA-3jfq-742w-xg8j |
| — | github.com/argoproj/argo-cd (Go) | 2.6.0 to before 2.6.2 | 2.6.2 | Patch available | GHSA-3jfq-742w-xg8j |
- argo-cd Vendorargoproj Affected 2.3.0-rc1 to before 2.3.17; 2.4.0 to before 2.4.23; 2.5.0 to before 2.5.11; 2.6.0 to before 2.6.2 Fixed in 2.3.17, 2.4.23, 2.5.11, 2.6.2 Patch available CNA
- github.com/argoproj/argo-cd (Go) Vendor— Affected 2.3.0 to before 2.3.17 Fixed in 2.3.17 Patch available GHSA-3jfq-742w-xg8j
- github.com/argoproj/argo-cd (Go) Vendor— Affected 2.4.0 to before 2.4.23 Fixed in 2.4.23 Patch available GHSA-3jfq-742w-xg8j
- github.com/argoproj/argo-cd (Go) Vendor— Affected 2.5.0 to before 2.5.11 Fixed in 2.5.11 Patch available GHSA-3jfq-742w-xg8j
- github.com/argoproj/argo-cd (Go) Vendor— Affected 2.6.0 to before 2.6.2 Fixed in 2.6.2 Patch available GHSA-3jfq-742w-xg8j
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:argoproj:argo_cd:*:*:*:*:*:*:*:* | 2.3.0 to before 2.3.17; 2.4.0 to before 2.4.23; 2.5.0 to before 2.5.11; 2.6.0 to before 2.6.2 | Vulnerable | argoproj |
- cpe:2.3:a:argoproj:argo_cd:*:*:*:*:*:*:*:* Versions 2.3.0 to before 2.3.17; 2.4.0 to before 2.4.23; 2.5.0 to before 2.5.11; 2.6.0 to before 2.6.2 Vulnerable ·argoproj
Remediation
- Fix · CNA argo-cd (argoproj) Fixed in 2.3.17, 2.4.23, 2.5.11, 2.6.2
- Fix · GHSA-3jfq-742w-xg8j github.com/argoproj/argo-cd (Go) Fixed in 2.3.17 Advisory →
- Fix · GHSA-3jfq-742w-xg8j github.com/argoproj/argo-cd (Go) Fixed in 2.4.23 Advisory →
- Fix · GHSA-3jfq-742w-xg8j github.com/argoproj/argo-cd (Go) Fixed in 2.5.11 Advisory →
- Fix · GHSA-3jfq-742w-xg8j github.com/argoproj/argo-cd (Go) Fixed in 2.6.2 Advisory →
Red Hat 3 advisories
- RHSA-2023:0804 Released 2023-02-17 · Red Hat rating ImportantRed Hat OpenShift GitOps security update
- Red Hat OpenShift GitOps 1.5 openshift-gitops-1/applicationset-rhel8, openshift-gitops-1/argocd-rhel8, openshift-gitops-1/dex-rhel8 +2
- RHSA-2023:0803 Released 2023-02-17 · Red Hat rating ImportantRed Hat OpenShift GitOps security update
- Red Hat OpenShift GitOps 1.7 openshift-gitops-1/argocd-rhel8, openshift-gitops-1/dex-rhel8, openshift-gitops-1/gitops-rhel8-operator +1
- RHSA-2023:0802 Released 2023-02-17 · Red Hat rating ImportantRed Hat OpenShift GitOps security update
- Red Hat OpenShift GitOps 1.6 openshift-gitops-1/argocd-rhel8, openshift-gitops-1/dex-rhel8, openshift-gitops-1/gitops-rhel8-operator +1
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat OpenShift GitOps 1.5 | Fixed | RHSA-2023:0804 |
| Red Hat OpenShift GitOps 1.6 | Fixed | RHSA-2023:0802 |
| Red Hat OpenShift GitOps 1.7 | Fixed | RHSA-2023:0803 |
Not affected: 3 products
- Red Hat OpenShift GitOps 1.5
- Red Hat OpenShift GitOps 1.6
- Red Hat OpenShift GitOps 1.7
Timeline
- 2026-10-02 Threatist record created from CVE-2023-23947
- 2026-10-03 Alias added: GHSA-3jfq-742w-xg8j
References
More argoproj Argo Cd vulnerabilities
- TI-2024-14377 Argo CD vulnerable to Bypassing of Brute Force Protection via Application Crash and In-Memory Data Loss CVSS 3.1CRITICAL 9.8
- TI-2024-14383 Argo CD vulnerable to Bypassing of Rate Limit and Brute Force Protection Using Cache Overflow CVSS 3.1CRITICAL 9.1
- TI-2026-31086 ArgoCD ServerSideDiff is vulnerable to Kubernetes Secret Extraction CVSS 3.1CRITICAL 9.6
- TI-2023-20919 Cluster secret might leak in cluster details page in Argo CD CVSS 3.1CRITICAL 9.9
- TI-2024-21088 ArgoCD Vulnerable to Use of Risky or Missing Cryptographic Algorithms in Redis Cache CVSS 3.1CRITICAL 9.1
- TI-2026-33475 Argo CD: Stored XSS in application link annotations enables developer-to-admin privilege escalation CVSS 3.1HIGH 8.7
Sources
- CVE-2023-23947 · CVE Program
- CVE-2023-23947 · NVD
- FIRST EPSS
- GHSA-3jfq-742w-xg8j · GitHub Advisory Database · CC BY 4.0
- CVE-2023-23947 · Red Hat security data · CC BY 4.0
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