CVE-2018-0272

MediumCVSS 5.9/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.0 5.9/10CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-399CWE-755

Affected software

VendorProductVersions
n/aCisco Firepower Threat DefenseCisco Firepower Threat Defense

References

Timeline

Published
Apr 19, 2018
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2018-0272: Medium severity, CVSS 5.9 | Vulnix