SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-0297

A vulnerability in the detection engine of Cisco Firepower Threat Defense software could allow an unauthenticated, remote attacker to bypass a configured Secure Sockets Layer (SSL) Access Control (AC) policy to block SSL traffic.

MEDIUM 5.8EPSS 1.23%

Does this matter?

Lower severity and a low EPSS score (1.23%). Track it; it rarely justifies an emergency change on its own.

Description

A vulnerability in the detection engine of Cisco Firepower Threat Defense software could allow an unauthenticated, remote attacker to bypass a configured Secure Sockets Layer (SSL) Access Control (AC) policy to block SSL traffic. The vulnerability is due to the incorrect handling of TCP SSL packets received out of order. An attacker could exploit this vulnerability by sending a crafted SSL connection through the affected device. A successful exploit could allow the attacker to bypass a configured SSL AC policy to block SSL traffic. Cisco Bug IDs: CSCvg09316.

CVSS 3.0
5.8 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
EPSS
1.23% probability · 67th percentile
CISA KEV
Not listed
Weakness
CWE-693
Affected
cisco/secure firewall threat defense
Source
psirt@cisco.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.