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CVE-2023-23947— Argo CD users with any cluster secret update access may update out-of-bounds cluster secrets

Quick assessment

Affected
argoproj argo-cd
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

ArgoCD是一个应用软件。用于Kubernetes的声明性GitOps连续交付工具。它持续监控正在运行的应用程序并将当前的实时状态与所需的目标状态（例如 Git 仓库中的配置）进行比较，在 Git 仓库更改时自动同步和部署应用程序。 ArgoCD 存在安全漏洞，该漏洞源于存在不当授权漏洞，攻击者利用该漏洞可以提升权限。

CVSS 9.1 · Critical EPSS 0.67% · P51
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I. Basic Information for CVE-2023-23947

Vulnerability Information
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Vulnerability Title
Argo CD users with any cluster secret update access may update out-of-bounds cluster secrets
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5
Vulnerability Title
ArgoCD 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ArgoCD是一个应用软件。用于Kubernetes的声明性GitOps连续交付工具。它持续监控正在运行的应用程序并将当前的实时状态与所需的目标状态（例如 Git 仓库中的配置）进行比较，在 Git 仓库更改时自动同步和部署应用程序。 ArgoCD 存在安全漏洞，该漏洞源于存在不当授权漏洞，攻击者利用该漏洞可以提升权限。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
argoproj argo-cd >= 2.3.0-rc1, < 2.3.17 -

II. Public POCs for CVE-2023-23947

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III. Intelligence Information for CVE-2023-23947

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Patches & Fixes for CVE-2023-23947 (1)

Vendor Advisories for CVE-2023-23947 (1)

IV. Related Vulnerabilities

Same product: argo-cd
Same vendor: argoproj
Same weakness: CWE-863

V. Comments for CVE-2023-23947

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