CVE-2018-0272

MEDIUM

Cisco Firepower - Denial of Service via SSL Traffic Processing

Title source: llm
STIX 2.1

Description

A vulnerability in the Secure Sockets Layer (SSL) Engine of Cisco Firepower System Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerability is due to improper error handling while processing SSL traffic. An attacker could exploit this vulnerability by sending a large volume of crafted SSL traffic to the vulnerable device. A successful exploit could allow the attacker to degrade the device performance by triggering a persistent high CPU utilization condition. Cisco Bug IDs: CSCvh89340.

References (2)

Core 2
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/103925

Scores

CVSS v3 5.9
EPSS 0.0135
EPSS Percentile 67.9%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-399 CWE-755
Status published
Products (2)
cisco/firepower 6.2.1
cisco/firepower 6.2.2.1
Published Apr 19, 2018
Tracked Since Feb 18, 2026