What is CVE-2020-3309?

CVE-2020-3309 is a high-severity vulnerability in Cisco Firepower Threat Defense Software, classified under Improper Input Validation. CVSS score: 7.2/10. Published 2020-05-06.

How severe is CVE-2020-3309?

High severity. CVSS v3 base score is 7.2 out of 10.

Buffer overflow in Cisco Firepower Threat Defense Software

CVE-2020-3309

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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.018 (75.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Cisco Firepower Threat Defense Software — versions n/a
Cisco Firepower_device_manager_on-box

Weakness classification (CWE)

References

psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2020-3309?: CVE-2020-3309 is a high-severity vulnerability in Cisco Firepower Threat Defense Software, classified under Improper Input Validation. CVSS score: 7.2/10. Published 2020-05-06.
How severe is CVE-2020-3309?: High severity. CVSS v3 base score is 7.2 out of 10.