CVE-2022-20743: Cisco Firepower Management Center File Upload Security Bypass Vulnerability
First published: Tue May 03 2022(Updated: )
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.
Credit: ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco Firepower Management Center | <6.4.0.15 | |
| Cisco Firepower Management Center | >=6.5.0<6.6.5.2 | |
| Cisco Firepower Management Center | >=6.7.0<7.0.2 | |
| Cisco Firepower Management Center | >=7.1.0<7.1.0.1 |
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Reference Links
Frequently Asked Questions
What is CVE-2022-20743?
CVE-2022-20743 is a vulnerability in the web management interface of Cisco Firepower Management Center (FMC) Software that allows an authenticated, remote attacker to bypass security protections and upload malicious files.
How severe is CVE-2022-20743?
CVE-2022-20743 has a severity rating of 8.8 (critical).
What software versions are affected by CVE-2022-20743?
Versions 6.4.0.15 to 6.6.5.2, 6.7.0 to 7.0.2, and 7.1.0 to 7.1.0.1 of Cisco Firepower Management Center (FMC) Software are affected by CVE-2022-20743.
How can an attacker exploit CVE-2022-20743?
An attacker can exploit CVE-2022-20743 by uploading malicious files to the affected system through the web management interface.
Where can I find more information about CVE-2022-20743?
More information about CVE-2022-20743 can be found at the following reference link: [Cisco Security Advisory](https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-security-bypass-JhOd29Gg)
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- version/cisco firepower management center/7.1.0