#VU27684 Input validation error

Published: 2020-05-11

Vulnerability identifier: #VU27684

Vulnerability risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-3307


Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Cisco Firepower Management Center
Client/Desktop applications / Antivirus software/Personal firewalls

Vendor: Cisco Systems, Inc


The vulnerability allows a remote attacker to write arbitrary entries to the log file on the target device.

The vulnerability exists due to insufficient validation of user-supplied input in the web UI. A remote attacker can send a specially crafted HTTP request and send incorrect information to the system log on the affected system.

Install updates from vendor's website.

Vulnerable software versions

Cisco Firepower Management Center: All versions


External links

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

Latest bulletins with this vulnerability