Arbitrary file upload in Cisco Firepower Management Center

CVE-2022-20743

A vulnerability in the web management interface of Cisco Firepower Management Center (FMC) Software could allow an authenticated, remote attacker to bypass security protections and upload malicious files to the affected system. This vulnerability is due to improper validation of files uploaded to the web management interface of Cisco FMC Software. An attacker could exploit this vulnerability by uploading a maliciously crafted file to a device running affected software. A successful exploit could allow the attacker to store malicious files on the device, which they could access later to conduct additional attacks, including executing arbitrary code on the affected device with root privileges.

Vulnerability class: Unrestricted File Upload

EPSS: 0.038 (88.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2022-20743?
CVE-2022-20743 is a medium-severity vulnerability in Cisco Firepower Management Center, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 6.5/10. Published 2022-05-03.
How severe is CVE-2022-20743?
Medium severity. CVSS v3 base score is 6.5 out of 10.