CVE-2024-20376: High severity Cisco IP Phone Firmware vulnerability

Published May 1, 2024
·
Updated

A vulnerability in the web-based management interface of Cisco IP Phone firmware could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a DoS condition. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted request to the web-based management interface of an affected device. A successful exploit could allow the attacker to cause the affected device to reload.

Affected Software

37 affected components
Cisco IP Phone Firmware
All of the following
Cisco Video Phone 8875 Firmware<2.3.1.0101
Cisco Video Phone 8875
All of the following
Cisco Ip Phone 6821 With Multiplatform Firmware<=12.0.4
Cisco Ip Phone 6821
All of the following
Cisco Ip Phone 6841 With Multiplatform Firmware<=12.0.4
Cisco Ip Phone 6841
All of the following
Cisco Ip Phone 6851 With Multiplatform Firmware<=12.0.4
Cisco Ip Phone 6851
All of the following
Cisco Ip Phone 6861 With Multiplatform Firmware<=12.0.4
Cisco Ip Phone 6861
All of the following
Cisco Ip Phone 6871 With Multiplatform Firmware<=12.0.4
Cisco Ip Phone 6871
All of the following
Cisco Ip Phone 7811 With Multiplatform Firmware<=12.0.4
Cisco Ip Phone 7811
All of the following
Cisco Ip Phone 7821 With Multiplatform Firmware<=12.0.4
Cisco Ip Phone 7821
All of the following
Cisco Ip Phone 7832 With Multiplatform Firmware<=12.0.4
Cisco Ip Phone 7832
All of the following
Cisco Ip Phone 7841 With Multiplatform Firmware<=12.0.4
Cisco Ip Phone 7841
All of the following
Cisco Ip Phone 7861 With Multiplatform Firmware<=12.0.4
Cisco IP Phone 7861
All of the following
Cisco Ip Phone 8811 With Multiplatform Firmware<=12.0.4
Cisco Ip Phone 8811
All of the following
Cisco Ip Phone 8832 With Multiplatform Firmware<=12.0.4
Cisco Ip Phone 8832
All of the following
Cisco Ip Phone 8841 With Multiplatform Firmware<=12.0.4
Cisco Ip Phone 8841
All of the following
Cisco Ip Phone 8845 With Multiplatform Firmware<=12.0.4
Cisco Ip Phone 8845
All of the following
Cisco Ip Phone 8851 With Multiplatform Firmware<=12.0.4
Cisco IP Phone 8851
All of the following
Cisco Ip Phone 8861 With Multiplatform Firmware<=12.0.4
Cisco Ip Phone 8861
All of the following
Cisco Ip Phone 8865 With Multiplatform Firmware<=12.0.4
Cisco Ip Phone 8865

Event History

May 1, 2024
CVE Published
via MITRE·04:43 PM
Data Sourced
via MITRE·04:43 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·05:15 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2024-20376?

CVE-2024-20376 is considered to have a medium severity level due to its potential to cause a denial of service (DoS) condition.

2

How does CVE-2024-20376 affect Cisco IP Phone firmware?

CVE-2024-20376 allows an unauthenticated remote attacker to cause a reload of affected Cisco IP Phone devices, leading to service disruption.

3

What versions of Cisco IP Phone firmware are impacted by CVE-2024-20376?

The specific versions affected by CVE-2024-20376 are not detailed, but it impacts Cisco IP Phone firmware due to insufficient input validation.

4

How can I mitigate CVE-2024-20376?

To mitigate CVE-2024-20376, ensure your Cisco IP Phone firmware is updated to the latest version provided by Cisco with security fixes.

5

Is CVE-2024-20376 exploitable remotely?

Yes, CVE-2024-20376 can be exploited by an unauthenticated remote attacker, highlighting the importance of network security measures.

Contact

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