CVE-2024-20357: Medium severity Cisco IP Phone Firmware vulnerability

Published May 1, 2024
·
Updated

A vulnerability in the XML service of Cisco IP Phone firmware could allow an unauthenticated, remote attacker to initiate phone calls on an affected device. This vulnerability exists because bounds-checking does not occur while parsing XML requests. An attacker could exploit this vulnerability by sending a crafted XML request to an affected device. A successful exploit could allow the attacker to initiate calls or play sounds on the device.

Affected Software

37 affected components
Cisco IP Phone Firmware
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
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

Event History

May 1, 2024
CVE Published
via MITRE·04:36 PM
Data Sourced
via MITRE·04:36 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-2024-20357?

CVE-2024-20357 is rated as a high-severity vulnerability due to its potential impact on the Cisco IP Phone firmware.

2

How do I fix CVE-2024-20357?

To fix CVE-2024-20357, update the Cisco IP Phone firmware to the latest version provided by Cisco.

3

What types of attacks can exploit CVE-2024-20357?

CVE-2024-20357 can be exploited by unauthenticated attackers to initiate unauthorized phone calls on affected Cisco IP Phone devices.

4

Which devices are affected by CVE-2024-20357?

CVE-2024-20357 affects specific versions of Cisco IP Phone firmware.

5

Is user authentication required to exploit CVE-2024-20357?

No, CVE-2024-20357 can be exploited by remote attackers without any authentication.

Contact

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