CVE-2020-3309

HighCVSS 7.2/10Last modified Jun 17, 2026

Description

A vulnerability in Cisco Firepower Device Manager (FDM) On-Box software could allow an authenticated, remote attacker to overwrite arbitrary files on the underlying operating system of an affected device. The vulnerability is due to improper input validation. An attacker could exploit this vulnerability by uploading a malicious file to an affected device. A successful exploit could allow the attacker to overwrite arbitrary files on as well as modify the underlying operating system of an affected device.

Metrics

CVSS 3.1 7.2/10CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
May 6, 2020
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2020

CVE-2020-33104.9A vulnerability in the XML parser code of Cisco Firepower Device Manager On-Box software could allow an authenticated, remote attacker to caCVE-2020-33116.1A vulnerability in the web interface of Cisco Firepower Management Center (FMC) Software could allow an unauthenticated, remote attacker to CVE-2020-33127.5A vulnerability in the application policy configuration of Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remCVE-2020-33136.1A vulnerability in the web UI of Cisco Firepower Management Center (FMC) Software could allow an unauthenticated, remote attacker to conductCVE-2020-33146.1A vulnerability in the file scan process of Cisco AMP for Endpoints Mac Connector Software could cause the scan engine to crash during the sCVE-2020-33155.3Multiple Cisco products are affected by a vulnerability in the Snort detection engine that could allow an unauthenticated, remote attacker tCVE-2020-33177.5A vulnerability in the ssl_inspection component of Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attaCVE-2020-33189.8Multiple vulnerabilities in Cisco Firepower Management Center (FMC) Software and Cisco Firepower User Agent Software could allow an attackerCVE-2020-33193.3A vulnerability in Cisco Webex Network Recording Player and Cisco Webex Player for Microsoft Windows could allow an attacker to cause a procCVE-2020-33205.4A vulnerability in the web-based management interface of Cisco Firepower Management Center could allow an authenticated, remote attacker to CVE-2020-33213.3A vulnerability in Cisco Webex Network Recording Player and Cisco Webex Player for Microsoft Windows could allow an attacker to cause a procCVE-2020-33223.3A vulnerability in Cisco Webex Network Recording Player and Cisco Webex Player for Microsoft Windows could allow an attacker to cause a proc
CVE-2020-3309: High severity, CVSS 7.2 | Vulnix