Vulnerability · Published May 6, 2020 · Assigned by cisco

CVE-2020-3309Cisco Firepower Device Manager On-Box Software Arbitrary File Overwrite Vulnerability

Medium 6.5

In plain English

A medium-severity improper input validation in Cisco Firepower Threat Defense Software from Cisco. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.8% (higher than 78% of all known vulnerabilities).

Severity (CVSS 3.0)6.5Medium

Exploit odds (30 days)1.8%top 21.8% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
Cisco	Cisco Firepower Threat Defense Software	n/a

Weakness: CWE-20 · Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H

References

20200506 Cisco Firepower Device Manager On-Box Software Arbitrary File Overwrite Vulnerability vendor-advisory, x_refsource_CISCO