What is CVE-2018-0272?

CVE-2018-0272 is a vulnerability in the Secure Sockets Layer (SSL) Engine of Cisco Firepower System Software that could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition.

What is the severity of CVE-2018-0272?

CVE-2018-0272 has a severity rating of 5.9 (medium severity).

How does CVE-2018-0272 affect Cisco Firepower System Software?

CVE-2018-0272 affects Cisco Firepower System Software versions 6.2.1 and 6.2.2.1.

How can an attacker exploit CVE-2018-0272?

An attacker could exploit CVE-2018-0272 by sending specially crafted SSL traffic to the vulnerable system.

Are there any references related to CVE-2018-0272?

Yes, you can find more information about this vulnerability at the following references: [SecurityFocus](http://www.securityfocus.com/bid/103925) and [Cisco Security Advisory](https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180418-firepower).

Vulnerability/
CVE-2018-0272

medium

5.9

CWE

755 399

19/4/2018

29/11/2024

CVE-2018-0272

First published: Thu Apr 19 2018(Updated: )

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.

Credit: ykramarz@cisco.com

Affected Software	Affected Version	How to fix
Cisco Firepower	=6.2.1
Cisco Firepower	=6.2.2.1

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Frequently Asked Questions

What is CVE-2018-0272?
CVE-2018-0272 is a vulnerability in the Secure Sockets Layer (SSL) Engine of Cisco Firepower System Software that could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition.
What is the severity of CVE-2018-0272?
CVE-2018-0272 has a severity rating of 5.9 (medium severity).
How does CVE-2018-0272 affect Cisco Firepower System Software?
CVE-2018-0272 affects Cisco Firepower System Software versions 6.2.1 and 6.2.2.1.
How can an attacker exploit CVE-2018-0272?
An attacker could exploit CVE-2018-0272 by sending specially crafted SSL traffic to the vulnerable system.
Are there any references related to CVE-2018-0272?
Yes, you can find more information about this vulnerability at the following references: [SecurityFocus](http://www.securityfocus.com/bid/103925) and [Cisco Security Advisory](https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180418-firepower).

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