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HIGH · 8.8

CVE-2020-3456

A vulnerability in the Cisco Firepower Chassis Manager (FCM) of Cisco FXOS Software could allow an unauthenticated, remote attacker to conduct a cross-site request forgery (CSRF) attack against a user...

Vulnerability Description

A vulnerability in the Cisco Firepower Chassis Manager (FCM) of Cisco FXOS Software could allow an unauthenticated, remote attacker to conduct a cross-site request forgery (CSRF) attack against a user of an affected device. The vulnerability is due to insufficient CSRF protections for the FCM interface. An attacker could exploit this vulnerability by persuading a targeted user to click a malicious link. A successful exploit could allow the attacker to send arbitrary requests that could take unauthorized actions on behalf of the targeted user.

CVSS Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
CiscoFirepower Extensible Operating System2.4\(1.249\)
CiscoFirepower 4110-
CiscoFirepower 4112-
CiscoFirepower 4115-
CiscoFirepower 4120-
CiscoFirepower 4125-
CiscoFirepower 4140-
CiscoFirepower 4145-
CiscoFirepower 4150-
CiscoFirepower 9300 Sm-24-
CiscoFirepower 9300 Sm-36-
CiscoFirepower 9300 Sm-40-
CiscoFirepower 9300 Sm-44-
CiscoFirepower 9300 Sm-44 X 3-
CiscoFirepower 9300 Sm-48-
CiscoFirepower 9300 Sm-56-
CiscoFirepower 9300 Sm-56 X 3-

Related Weaknesses (CWE)

CWE-352

References

FAQ

What is CVE-2020-3456?

CVE-2020-3456 is a vulnerability with a CVSS score of 8.8 (HIGH). A vulnerability in the Cisco Firepower Chassis Manager (FCM) of Cisco FXOS Software could allow an unauthenticated, remote attacker to conduct a cross-site request forgery (CSRF) attack against a user...

How severe is CVE-2020-3456?

CVE-2020-3456 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-3456?

Check the references section above for vendor advisories and patch information. Affected products include: Cisco Firepower Extensible Operating System, Cisco Firepower 4110, Cisco Firepower 4112, Cisco Firepower 4115, Cisco Firepower 4120.