What is the severity of CVE-2018-0473?

CVE-2018-0473 is classified as a high-severity vulnerability that could lead to a denial of service condition.

How do I fix CVE-2018-0473?

To mitigate CVE-2018-0473, ensure that your Cisco IOS software version is upgraded to a patched release that addresses this vulnerability.

Which Cisco IOS versions are affected by CVE-2018-0473?

CVE-2018-0473 affects Cisco IOS versions 15.2(4)e and 15.2(5) and may impact other versions as well.

What type of attack does CVE-2018-0473 enable?

CVE-2018-0473 allows an unauthenticated remote attacker to exploit the vulnerability to cause a denial of service.

Is authentication required to exploit CVE-2018-0473?

No, CVE-2018-0473 can be exploited without authentication, making it more critical to address.

Vulnerability/
CVE-2018-0473

high

8.6

CWE

399

5/10/2018

26/11/2024

CVE-2018-0473: Cisco IOS Software Precision Time Protocol Denial of Service Vulnerability

First published: Fri Oct 05 2018(Updated: )

A vulnerability in the Precision Time Protocol (PTP) subsystem of Cisco IOS Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition of the Precision Time Protocol. The vulnerability is due to insufficient processing of PTP packets. An attacker could exploit this vulnerability by sending a custom PTP packet to, or through, an affected device. A successful exploit could allow the attacker to cause a DoS condition for the PTP subsystem, resulting in time synchronization issues across the network.

Credit: ykramarz@cisco.com

Affected Software	Affected Version	How to fix
Cisco IOS	=15.2\(4\)e
Cisco IOS	=15.2\(5\)

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2018-0473?
CVE-2018-0473 is classified as a high-severity vulnerability that could lead to a denial of service condition.
How do I fix CVE-2018-0473?
To mitigate CVE-2018-0473, ensure that your Cisco IOS software version is upgraded to a patched release that addresses this vulnerability.
Which Cisco IOS versions are affected by CVE-2018-0473?
CVE-2018-0473 affects Cisco IOS versions 15.2(4)e and 15.2(5) and may impact other versions as well.
What type of attack does CVE-2018-0473 enable?
CVE-2018-0473 allows an unauthenticated remote attacker to exploit the vulnerability to cause a denial of service.
Is authentication required to exploit CVE-2018-0473?
No, CVE-2018-0473 can be exploited without authentication, making it more critical to address.

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canonical/cisco ios
version/cisco ios/15.2\(4\)e
version/cisco ios/15.2\(5\)

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