CVE-2021-3557

argocd: ServiceAccount argocd-argocd-server is able to read all resources of the whole cluster

Severity Score

6.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A flaw was found in argocd. Any unprivileged user is able to deploy argocd in their namespace and with the created ServiceAccount argocd-argocd-server, the unprivileged user is able to read all resources of the cluster including all secrets which might enable privilege escalations. The highest threat from this vulnerability is to data confidentiality.

Se ha encontrado un fallo en argocd. Cualquier usuario no privilegiado es capaz de desplegar argocd en su espacio de nombres y con la ServiceAccount argocd-argocd-server creada, el usuario no privilegiado es capaz de leer todos los recursos del clúster, incluyendo todos los secretos, lo que podría permitir escaladas de privilegios. La mayor amenaza de esta vulnerabilidad es la confidencialidad de los datos

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

Partial

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-05-19 CVE Reserved
2021-05-19 CVE Published
2023-09-09 EPSS Updated
2024-08-03 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-732: Incorrect Permission Assignment for Critical Resource

CAPEC

References (2)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://bugzilla.redhat.com/show_bug.cgi?id=1961929	2021-05-19
https://access.redhat.com/security/cve/CVE-2021-3557	2021-05-19

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Linuxfoundation Search vendor "Linuxfoundation"		Argo-cd Search vendor "Linuxfoundation" for product "Argo-cd"				< 1.1.1 Search vendor "Linuxfoundation" for product "Argo-cd" and version " < 1.1.1"		-		Affected
Redhat Search vendor "Redhat"		Openshift Gitops Search vendor "Redhat" for product "Openshift Gitops"				1.1 Search vendor "Redhat" for product "Openshift Gitops" and version "1.1"		-		Affected