CVE-2017-9487

Severity Score

5.9

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

The Comcast firmware on Cisco DPC3939 (firmware version dpc3939-P20-18-v303r20421746-170221a-CMCST) and DPC3941T (firmware version DPC3941_2.5s3_PROD_sey) devices allows remote attackers to discover a WAN IPv6 IP address by leveraging knowledge of the CM MAC address.

El firmware Comcast en los dispositivos DPC3939 (versión de firmware dpc3939-P20-18-v303r20421746-170221a-CMCST) y DPC3941T (versión de firmware DPC3941_2.5s3_PROD_sey) de Cisco, permite a los atacantes remotos detectar una dirección IP IPv6 de la WAN aprovechando el conocimiento de la dirección MAC CM.

*Credits: N/A

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2017-06-07 CVE Reserved
2017-07-31 CVE Published
2023-03-08 EPSS Updated
2024-08-05 CVE Updated
2024-08-05 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-200: Exposure of Sensitive Information to an Unauthorized Actor

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC
https://github.com/BastilleResearch/CableTap/blob/master/doc/advisories/bastille-30.wan0-ipv6-cm-mac.txt	2024-08-05

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Cisco Search vendor "Cisco"	Dpc3939 Firmware Search vendor "Cisco" for product "Dpc3939 Firmware"	dpc3939-p20-18-v303r20421746-170221a-cmcst Search vendor "Cisco" for product "Dpc3939 Firmware" and version "dpc3939-p20-18-v303r20421746-170221a-cmcst"	-	Affected	in	Cisco Search vendor "Cisco"	Dpc3939 Search vendor "Cisco" for product "Dpc3939"	-	-	Safe
Cisco Search vendor "Cisco"	Dpc3941t Firmware Search vendor "Cisco" for product "Dpc3941t Firmware"	dpc3941_2.5s3_prod_sey Search vendor "Cisco" for product "Dpc3941t Firmware" and version "dpc3941_2.5s3_prod_sey"	-	Affected	in	Cisco Search vendor "Cisco"	Dpc3941t Search vendor "Cisco" for product "Dpc3941t"	-	-	Safe