CVE-2020-26078

Cisco IoT Field Network Director File Overwrite Vulnerability

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 vulnerability in the file system of Cisco IoT Field Network Director (FND) could allow an authenticated, remote attacker to overwrite files on an affected system. The vulnerability is due to insufficient file system protections. An attacker could exploit this vulnerability by crafting API requests and sending them to an affected system. A successful exploit could allow the attacker to overwrite files on an affected system.

Una vulnerabilidad en el sistema de archivos de Cisco IoT Field Network Director (FND), podría permitir a un atacante remoto autenticado sobrescribir archivos en un sistema afectado. La vulnerabilidad es debido a una protección insuficiente del sistema de archivos. Un atacante podría explotar esta vulnerabilidad al diseñar peticiones de API y enviándolas a un sistema afectado. Una explotación con éxito podría permitir al atacante sobrescribir archivos en un sistema afectado

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

None

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-09-24 CVE Reserved
2020-11-18 CVE Published
2023-03-07 EPSS Updated
2024-09-16 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CWE-73: External Control of File Name or Path

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-FND-OVW-SHzOE3Pd	2020-11-25

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Cisco Search vendor "Cisco"		Iot Field Network Director Search vendor "Cisco" for product "Iot Field Network Director"				< 4.6.1 Search vendor "Cisco" for product "Iot Field Network Director" and version " < 4.6.1"		-		Affected