What is the severity of CVE-2017-9477?

The severity of CVE-2017-9477 is considered medium due to its potential exploitation allowing attackers to discover sensitive information.

How do I fix CVE-2017-9477?

To fix CVE-2017-9477, update your Cisco DPC3939 firmware to a version that addresses this vulnerability.

What type of devices are affected by CVE-2017-9477?

CVE-2017-9477 affects Cisco DPC3939 devices running specific firmware versions dpc3939-P20-18-v303r20421733-160420a-CMCST and dpc3939-P20-18-v303r20421746-170221a-CMCST.

What does CVE-2017-9477 allow an attacker to do?

CVE-2017-9477 allows remote attackers to discover the CM MAC address by accessing the device's xfinitywifi hotspot.

Is there a workaround for CVE-2017-9477?

There are no documented workarounds for CVE-2017-9477; the primary mitigation is to update the firmware.

Vulnerability/
CVE-2017-9477

medium

6.5

CWE

200

31/7/2017

3/8/2017

CVE-2017-9477: Infoleak

First published: Mon Jul 31 2017(Updated: )

The Comcast firmware on Cisco DPC3939 (firmware version dpc3939-P20-18-v303r20421733-160420a-CMCST) and DPC3939 (firmware version dpc3939-P20-18-v303r20421746-170221a-CMCST) devices allows remote attackers to discover the CM MAC address by connecting to the device's xfinitywifi hotspot.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
Cisco Dpc3939 Firmware	=dpc3939-p20-18-v303r20421746-170221a-cmcst
Cisco DPC3939
Cisco Dpc3939 Firmware	=dpc3939-p20-18-v303r20421733-160420a-cmcst

Never miss a vulnerability like this again

Reference Links

https://github.com/BastilleResearch/CableTap/blob/master/doc/advisories/bastille-19.wifi-dhcp-cm-mac-leak.txt

Frequently Asked Questions

What is the severity of CVE-2017-9477?
The severity of CVE-2017-9477 is considered medium due to its potential exploitation allowing attackers to discover sensitive information.
How do I fix CVE-2017-9477?
To fix CVE-2017-9477, update your Cisco DPC3939 firmware to a version that addresses this vulnerability.
What type of devices are affected by CVE-2017-9477?
CVE-2017-9477 affects Cisco DPC3939 devices running specific firmware versions dpc3939-P20-18-v303r20421733-160420a-CMCST and dpc3939-P20-18-v303r20421746-170221a-CMCST.
What does CVE-2017-9477 allow an attacker to do?
CVE-2017-9477 allows remote attackers to discover the CM MAC address by accessing the device's xfinitywifi hotspot.
Is there a workaround for CVE-2017-9477?
There are no documented workarounds for CVE-2017-9477; the primary mitigation is to update the firmware.

collector/nvd-index
agent/weakness
agent/severity
agent/references
agent/author
agent/description
agent/tags
agent/type
agent/event
agent/softwarecombine
agent/first-publish-date
agent/last-modified-date
vendor/cisco
canonical/cisco dpc3939 firmware
version/cisco dpc3939 firmware/dpc3939-p20-18-v303r20421746-170221a-cmcst
canonical/cisco dpc3939
version/cisco dpc3939 firmware/dpc3939-p20-18-v303r20421733-160420a-cmcst

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Frequently Asked Questions

What is the severity of CVE-2017-9477?
The severity of CVE-2017-9477 is considered medium due to its potential exploitation allowing attackers to discover sensitive information.
How do I fix CVE-2017-9477?
To fix CVE-2017-9477, update your Cisco DPC3939 firmware to a version that addresses this vulnerability.
What type of devices are affected by CVE-2017-9477?
CVE-2017-9477 affects Cisco DPC3939 devices running specific firmware versions dpc3939-P20-18-v303r20421733-160420a-CMCST and dpc3939-P20-18-v303r20421746-170221a-CMCST.
What does CVE-2017-9477 allow an attacker to do?
CVE-2017-9477 allows remote attackers to discover the CM MAC address by accessing the device's xfinitywifi hotspot.
Is there a workaround for CVE-2017-9477?
There are no documented workarounds for CVE-2017-9477; the primary mitigation is to update the firmware.