CVE-2017-3822

A vulnerability in the logging subsystem of the Cisco Firepower Threat Defense (FTD) Firepower Device Manager (FDM) could allow an unauthenticated, remote attacker to add arbitrary entries to the audit log. This vulnerability affects Cisco Firepower Threat Defense Software versions 6.1.x on the following vulnerable products that have enabled FDM: ASA5506-X ASA5506W-X ASA5506H-X ASA5508-X ASA5516-X ASA5512-X ASA5515-X ASA5525-X ASA5545-X ASA5555-X. More Information: CSCvb86860. Known Affected Releases: FRANGELICO. Known Fixed Releases: 6.2.0.

What this means for your business

It affects Cisco Secure Firewall Threat Defense. It matters if your company, or a supplier that handles your data, runs it.
An attacker can use it remotely, over a network, without a login, and without anyone at your company clicking anything.

What to do

1Check whether your company or your suppliers run Cisco Secure Firewall Threat Defense, and which version. The affected versions are listed further down this page.
2If you do, apply the vendor's fix. A patch or vendor advisory has been published.

Not sure if your company is exposed?

Fastnexa’s certified penetration testers can check whether attackers could use this flaw, or others like it, against your websites, apps and network. The full test is free for our first 10 founding clients until 31 December 2026.

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Scoring

CVSS: 5.3 (v3.0)
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Weakness: CWE-20
Assigned by: psirt@cisco.com

Dates

Published: 2017-02-03
Last modified: 2026-08-11
Sources: NVD

Affected products

Cisco Secure Firewall Threat Defense6.1.0

As listed in the NVD configuration data. Not a statement about your estate.