// For flags

CVE-2021-1437

Cisco Aironet Access Points FlexConnect Upgrade Information Disclosure Vulnerability

Severity Score

7.5
*CVSS v3.1

Exploit Likelihood

< 1%
*EPSS

Affected Versions

12
*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Attend
*SSVC
Descriptions

A vulnerability in the FlexConnect Upgrade feature of Cisco Aironet Series Access Points Software could allow an unauthenticated, remote attacker to obtain confidential information from an affected device. This vulnerability is due to an unrestricted Trivial File Transfer Protocol (TFTP) configuration. An attacker could exploit this vulnerability by sending a specific TFTP request to an affected device. A successful exploit could allow the attacker to download any file from the filesystem of the affected access point (AP).

Una vulnerabilidad en la funcionalidad FlexConnect Upgrade del Software Cisco Aironet Series Access Points, podría permitir a un atacante remoto no autenticado obtenga información confidencial de un dispositivo afectado.&#xa0;Esta vulnerabilidad es debido a una configuración sin restricciones del Trivial File Transfer Protocol (TFTP).&#xa0;Un atacante podría explotar esta vulnerabilidad mediante el envío de una petición TFTP específica a un dispositivo afectado.&#xa0;Una explotación con éxito podría permitir al atacante descargar cualquier archivo del sistema de archivos del punto de acceso (AP) afectado

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:Attend
Exploitation
None
Automatable
Yes
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2020-11-13 CVE Reserved
  • 2021-03-24 CVE Published
  • 2024-11-08 CVE Updated
  • 2025-03-30 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-275: Permission Issues
CAPEC
References (1)
Affected Vendors, Products, and Versions (12)