// For flags

CVE-2021-3586

servicemesh-operator: NetworkPolicy resources incorrectly specify ports for ingress resources

Severity Score

9.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

A flaw was found in servicemesh-operator. The NetworkPolicy resources installed for Maistra do not properly specify which ports may be accessed, allowing access to all ports on these resources from any pod. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Se encontró un fallo en servicemesh-operator. Los recursos NetworkPolicy instalados para Maistra no especifican correctamente a qué puertos pueden accederse, permitiendo el acceso a todos los puertos de estos recursos desde cualquier pod. La mayor amenaza de esta vulnerabilidad es la confidencialidad e integridad de los datos, así como la disponibilidad del sistema.

Red Hat OpenShift Service Mesh is Red Hat's distribution of the Istio service mesh project, tailored for installation into an on-premise OpenShift Container Platform installation.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-06-07 CVE Reserved
  • 2021-06-11 CVE Published
  • 2024-08-03 CVE Updated
  • 2025-03-30 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-305: Authentication Bypass by Primary Weakness
  • CWE-1188: Initialization of a Resource with an Insecure Default
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Redhat
Search vendor "Redhat"
 Openshift Service Mesh
Search vendor "Redhat" for product "Openshift Service Mesh"
 2.0
Search vendor "Redhat" for product "Openshift Service Mesh" and version "2.0"
-
Affected
Redhat
Search vendor "Redhat"
 Servicemesh-operator
Search vendor "Redhat" for product "Servicemesh-operator"
 2.0.5.1
Search vendor "Redhat" for product "Servicemesh-operator" and version "2.0.5.1"
-
Affected