// For flags

CVE-2020-3602

Cisco StarOS Privilege Escalation Vulnerability

Severity Score

6.7
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track
*SSVC
Descriptions

A vulnerability in the CLI of Cisco StarOS operating system for Cisco ASR 5000 Series Routers could allow an authenticated, local attacker to elevate privileges on an affected device. The vulnerability is due to insufficient input validation of CLI commands. An attacker could exploit this vulnerability by sending crafted commands to the CLI. A successful exploit could allow the attacker to execute arbitrary code with the privileges of the root user on the affected device. To exploit this vulnerability, an attacker would need to have valid credentials on an affected device and know the password for the cli test-commands command.

Una vulnerabilidad en la CLI del sistema operativo Cisco StarOS para Cisco ASR 5000 Series Routers, podría permitir a un atacante local autenticado elevar sus privilegios en un dispositivo afectado. La vulnerabilidad es debido a una comprobación de entrada insuficiente de los comandos de CLI. Un atacante podría explotar esta vulnerabilidad mediante el envío de comandos diseñados hacia la CLI. Una explotación con éxito podría permitir al atacante ejecutar código arbitrario con los privilegios del usuario root en el dispositivo afectado. Para explotar esta vulnerabilidad, un atacante necesitaría tener credenciales válidas en un dispositivo afectado y conocer la contraseña para el comando cli test-commands

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Local
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
High
Availability
High
Attack Vector
Local
Attack Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:Track
Exploitation
None
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2019-12-12 CVE Reserved
  • 2020-10-08 CVE Published
  • 2023-03-08 EPSS Updated
  • 2024-11-13 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-20: Improper Input Validation
  • CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Cisco
Search vendor "Cisco"
 Staros
Search vendor "Cisco" for product "Staros"
 < 21.19.n4
Search vendor "Cisco" for product "Staros" and version " < 21.19.n4"
-
Affected
in Cisco
Search vendor "Cisco"
 Asr 5500
Search vendor "Cisco" for product "Asr 5500"
--
Safe
Cisco
Search vendor "Cisco"
 Staros
Search vendor "Cisco" for product "Staros"
 < 21.19.n4
Search vendor "Cisco" for product "Staros" and version " < 21.19.n4"
-
Affected
in Cisco
Search vendor "Cisco"
 Asr 5700
Search vendor "Cisco" for product "Asr 5700"
--
Safe