CVE-2021-1579

Cisco Application Policy Infrastructure Controller App Privilege Escalation Vulnerability

Severity Score

8.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track

*SSVC

Descriptions

A vulnerability in an API endpoint of Cisco Application Policy Infrastructure Controller (APIC) and Cisco Cloud Application Policy Infrastructure Controller (Cloud APIC) could allow an authenticated, remote attacker with Administrator read-only credentials to elevate privileges on an affected system. This vulnerability is due to an insufficient role-based access control (RBAC). An attacker with Administrator read-only credentials could exploit this vulnerability by sending a specific API request using an app with admin write credentials. A successful exploit could allow the attacker to elevate privileges to Administrator with write privileges on the affected device.

Una vulnerabilidad en un endpoint de la API de Cisco Application Policy Infrastructure Controller (APIC) y Cisco Cloud Application Policy Infrastructure Controller (Cloud APIC) podría permitir a un atacante remoto autenticado con credenciales de sólo lectura de Administrador elevar los privilegios en un sistema afectado. Esta vulnerabilidad es debido a un control de acceso insuficiente basado en roles (RBAC). Un atacante con credenciales de Administrador de sólo lectura podría explotar esta vulnerabilidad mediante el envío de una petición de API específica usando una aplicación con credenciales de escritura de administrador. Una explotación con éxito podría permitir al atacante elevar los privilegios a Administrador con privilegios de escritura en el dispositivo afectado.

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:Track

Exploitation

None

Automatable

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2020-11-13 CVE Reserved
2021-08-25 CVE Published
2023-11-17 EPSS Updated
2024-11-07 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-250: Execution with Unnecessary Privileges
CWE-269: Improper Privilege Management

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-capic-chvul-CKfGYBh8	2023-11-07

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Cisco Search vendor "Cisco"		Application Policy Infrastructure Controller Search vendor "Cisco" for product "Application Policy Infrastructure Controller"				< 3.2\(10f\) Search vendor "Cisco" for product "Application Policy Infrastructure Controller" and version " < 3.2\(10f\)"		-		Affected
Cisco Search vendor "Cisco"		Application Policy Infrastructure Controller Search vendor "Cisco" for product "Application Policy Infrastructure Controller"				>= 4.0 < 4.2\(7l\) Search vendor "Cisco" for product "Application Policy Infrastructure Controller" and version " >= 4.0 < 4.2\(7l\)"		-		Affected
Cisco Search vendor "Cisco"		Application Policy Infrastructure Controller Search vendor "Cisco" for product "Application Policy Infrastructure Controller"				>= 5.0 < 5.2\(2f\) Search vendor "Cisco" for product "Application Policy Infrastructure Controller" and version " >= 5.0 < 5.2\(2f\)"		-		Affected
Cisco Search vendor "Cisco"		Cloud Application Policy Infrastructure Controller Search vendor "Cisco" for product "Cloud Application Policy Infrastructure Controller"				< 3.2\(10f\) Search vendor "Cisco" for product "Cloud Application Policy Infrastructure Controller" and version " < 3.2\(10f\)"		-		Affected
Cisco Search vendor "Cisco"		Cloud Application Policy Infrastructure Controller Search vendor "Cisco" for product "Cloud Application Policy Infrastructure Controller"				>= 4.0 < 4.2\(7l\) Search vendor "Cisco" for product "Cloud Application Policy Infrastructure Controller" and version " >= 4.0 < 4.2\(7l\)"		-		Affected
Cisco Search vendor "Cisco"		Cloud Application Policy Infrastructure Controller Search vendor "Cisco" for product "Cloud Application Policy Infrastructure Controller"				>= 5.0 < 5.2\(2f\) Search vendor "Cisco" for product "Cloud Application Policy Infrastructure Controller" and version " >= 5.0 < 5.2\(2f\)"		-		Affected