Detections
Analytics
Cisco Firepower Threat Defense (FTD) VPN SAML Authentication Bypass Vulnerability (cisco-sa-20190501-asaftd-saml-vpn)
high Nessus Plugin ID 128064
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Synopsis
The remote device is missing a vendor-supplied security patch.Description
According to its self-reported version, the Cisco Firepower Threat Defense (FTD) Software is affected by an authentication bypass vulnerability in the implementation of Security Assertion Markup Language (SAML) 2.0 Single Sign-On (SSO) for Clientless SSL VPN (WebVPN) and AnyConnect Remote Access VPN. The vulnerability is due to improper credential management when using NT LAN Manager (NTLM) or basic authentication. An attacker could exploit this vulnerability by opening a VPN session to an affected device after another VPN user has successfully authenticated to the affected device via SAML SSO.A successful exploit could allow the attacker to connect to secured networks behind the affected device. (CVE-2019-1714)
Please see the included Cisco BID and Cisco Security Advisory for more information.
Solution
Upgrade to the relevant fixed version referenced in Cisco bug ID CSCvn72570See Also
Plugin Details
Severity: High
ID: 128064
File Name: cisco-sa-20190501-asaftd-saml-vpn-ftd.nasl
Version: 1.6
Type: local
Family: CISCO
Published: 8/22/2019
Updated: 3/31/2023
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 4.4
CVSS v2
Risk Factor: Medium
Base Score: 5
Temporal Score: 3.7
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N
CVSS Score Source: CVE-2019-1714
CVSS v3
Risk Factor: High
Base Score: 8.6
Temporal Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: cpe:/o:cisco:firepower_threat_defense
Required KB Items: installed_sw/Cisco Firepower Threat Defense, Host/Cisco/Firepower
Exploit Ease: No known exploits are available
Patch Publication Date: 5/1/2019
Vulnerability Publication Date: 5/1/2019
Reference Information
CVE: CVE-2019-1714
BID: 108185