CVE-2017-9477 — MEDIUM (6.5)

Vulnerability Description

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.

CVSS Score

6.5

MEDIUM

CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Cisco	Dpc3939 Firmware	dpc3939-p20-18-v303r20421746-170221a-cmcst
Cisco	Dpc3939	-

Related Weaknesses (CWE)

CWE-200

References

https://github.com/BastilleResearch/CableTap/blob/master/doc/advisories/bastilleExploitMitigationThird Party Advisory
https://github.com/BastilleResearch/CableTap/blob/master/doc/advisories/bastilleExploitMitigationThird Party Advisory

FAQ

What is CVE-2017-9477?

CVE-2017-9477 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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 atta...

How severe is CVE-2017-9477?

CVE-2017-9477 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2017-9477?

Check the references section above for vendor advisories and patch information. Affected products include: Cisco Dpc3939 Firmware, Cisco Dpc3939.