CVE Vulnerability

CVE-2019-1833

A vulnerability in the Secure Sockets Layer (SSL)/Transport Layer Security (TLS) protocol parser of Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to bypass configured policies. The vulnerability is due to improper parsing of specific attributes in a TLS packet header. An attacker could exploit this vulnerability by sending malicious TLS messages to the affected system. A successful exploit could allow the attacker to bypass the configured policies for the system, which could allow traffic to flow through without being inspected.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

Scope

5.8 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References
Link Resource
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190515-ftd-ssltls-bypass Vendor Advisory
http://www.securityfocus.com/bid/108338 Third Party Advisory VDB Entry
Configurations

Configuration 1

cpe:2.3:a:cisco:firepower_management_center:6.2.1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firepower_management_center:6.1.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firepower_management_center:6.2.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firepower_management_center:6.2.2:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firepower_management_center:6.2.3:*:*:*:*:*:*:*
Information

Published : 2019-05-16 02:29

Updated : 2019-10-09 11:48

NVD link : CVE-2019-1833

Mitre link : CVE-2019-1833

Products Affected
No products.
CWE
CWE-693