Vulnerability CVE-2017-3814

Vulnerability Name:

CVE-2017-3814 (CCN-121420)

Assigned:

2016-12-21

Published:

2017-02-01

Updated:

2017-02-09

Summary:

A vulnerability in Cisco Firepower System Software could allow an unauthenticated, remote attacker to maliciously bypass the appliance's ability to block certain web content, aka a URL Bypass. More Information: CSCvb93980. Known Affected Releases: 5.3.0 5.4.0 6.0.0 6.0.1 6.1.0.

CVSS v3 Severity:

5.8 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N)
5.1 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Changed
Impact Metrics:	Confidentiality (C): Low Integrity (I): None Availibility (A): None

5.8 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N)
5.1 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Changed
Impact Metrics:	Confidentiality (C): None Integrity (I): Low Availibility (A): None

CVSS v2 Severity:

5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Authentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): Partial Availibility (A): None

5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Athentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): Partial Availibility (A): None

Vulnerability Type:

CWE-20

Vulnerability Consequences:

Bypass Security

References:

Source: MITRE
Type: CNA
CVE-2017-3814

Source: BID
Type: Third Party Advisory, VDB Entry
95942

Source: CCN
Type: BID-95942
Cisco Firepower System Software CVE-2017-3814 Remote Security Bypass Vulnerability

Source: XF
Type: UNKNOWN
cisco-firepower-cve20173814-sec-bypass(121420)

Source: CCN
Type: Cisco Security Advisory cisco-sa-20170201-fpw1
Cisco Firepower URL Bypass Vulnerability

Source: CONFIRM
Type: Vendor Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170201-fpw1

Vulnerable Configuration:

Configuration 1:

cpe:/a:cisco:firepower_management_center:5.3.0:*:*:*:*:*:*:*

OR cpe:/a:cisco:firepower_management_center:5.4.0:*:*:*:*:*:*:*

OR cpe:/a:cisco:firepower_management_center:6.0.0:*:*:*:*:*:*:*

OR cpe:/a:cisco:firepower_management_center:6.0.1:*:*:*:*:*:*:*

OR cpe:/a:cisco:firepower_management_center:6.1.0:*:*:*:*:*:*:*

Denotes that component is vulnerable

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