Details of VAR-201707-1046

ID

VAR-201707-1046

CVE

CVE-2017-9481

TITLE

Cisco DPC3939 Access control vulnerability

Trust: 0.8

sources: JVNDB: JVNDB-2017-006518

DESCRIPTION

The Comcast firmware on Cisco DPC3939 (firmware version dpc3939-P20-18-v303r20421746-170221a-CMCST) devices allows remote attackers to obtain unintended access to the Network Processor (NP) 169.254/16 IP network by adding a routing-table entry that specifies the LAN IP address as the router for that network. Cisco DPC3939 Contains an access control vulnerability.Information may be tampered with. The Cisco DPC3939 is a wireless voice gateway product from Cisco. A security vulnerability exists in the Cisco DPC3939 firmware. Allows an attacker to communicate with the internal network interface of a network processor (Atom) Linux instance. Comcast is a set of firmware developed by Comcast Corporation of the United States that runs in devices such as gateways and modems

Trust: 2.25

sources: NVD: CVE-2017-9481 // JVNDB: JVNDB-2017-006518 // CNVD: CNVD-2017-27787 // VULHUB: VHN-117684

IOT TAXONOMY

category:

['Network device']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2017-27787

AFFECTED PRODUCTS

vendor:	cisco	model:	dpc3939	scope:	eq	version:	dpc3939-p20-18-v303r20421746-170221a-cmcst	Trust: 1.6
vendor:	cisco	model:	dpc3939 wireless residential voice gateway	scope:	eq	version:	dpc3939-p20-18-v303r20421746-170221a-cmcst	Trust: 0.8
vendor:	cisco	model:	dpc3939 dpc3939-p20-18-v303r20421746-170221a-cmcst	scope:	-	version:	-	Trust: 0.6

sources: CNVD: CNVD-2017-27787 // JVNDB: JVNDB-2017-006518 // CNNVD: CNNVD-201706-268 // NVD: CVE-2017-9481

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2017-9481
value:	HIGH
Trust: 1.0
NVD:	CVE-2017-9481
value:	HIGH
Trust: 0.8
CNVD:	CNVD-2017-27787
value:	MEDIUM
Trust: 0.6
CNNVD:	CNNVD-201706-268
value:	HIGH
Trust: 0.6
VULHUB:	VHN-117684
value:	MEDIUM
Trust: 0.1

nvd@nist.gov:	CVE-2017-9481
severity:	MEDIUM
baseScore:	5.0
vectorString:	AV:N/AC:L/AU:N/C:N/I:P/A:N
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	NONE
integrityImpact:	PARTIAL
availabilityImpact:	NONE
exploitabilityScore:	10.0
impactScore:	2.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.8
CNVD:	CNVD-2017-27787
severity:	MEDIUM
baseScore:	5.0
vectorString:	AV:N/AC:L/AU:N/C:N/I:P/A:N
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	NONE
integrityImpact:	PARTIAL
availabilityImpact:	NONE
exploitabilityScore:	10.0
impactScore:	2.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.6
VULHUB:	VHN-117684
severity:	MEDIUM
baseScore:	5.0
vectorString:	AV:N/AC:L/AU:N/C:N/I:P/A:N
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	NONE
integrityImpact:	PARTIAL
availabilityImpact:	NONE
exploitabilityScore:	10.0
impactScore:	2.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.1

nvd@nist.gov:	CVE-2017-9481
baseSeverity:	HIGH
baseScore:	7.5
vectorString:	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	NONE
integrityImpact:	HIGH
availabilityImpact:	NONE
exploitabilityScore:	3.9
impactScore:	3.6
version:	3.0
Trust: 1.8

sources: CNVD: CNVD-2017-27787 // VULHUB: VHN-117684 // JVNDB: JVNDB-2017-006518 // CNNVD: CNNVD-201706-268 // NVD: CVE-2017-9481

PROBLEMTYPE DATA

problemtype:	NVD-CWE-noinfo	Trust: 1.0
problemtype:	CWE-284	Trust: 0.9

sources: VULHUB: VHN-117684 // JVNDB: JVNDB-2017-006518 // NVD: CVE-2017-9481

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-201706-268

TYPE

lack of information

Trust: 0.6

sources: CNNVD: CNNVD-201706-268

CONFIGURATIONS

sources: JVNDB: JVNDB-2017-006518

PATCH

title:

トップページ

url:

https://www.cisco.com/c/ja_jp/index.html

Trust: 0.8

sources: JVNDB: JVNDB-2017-006518

EXTERNAL IDS

db:	NVD	id:	CVE-2017-9481	Trust: 3.1
db:	JVNDB	id:	JVNDB-2017-006518	Trust: 0.8
db:	CNNVD	id:	CNNVD-201706-268	Trust: 0.7
db:	CNVD	id:	CNVD-2017-27787	Trust: 0.6
db:	VULHUB	id:	VHN-117684	Trust: 0.1

sources: CNVD: CNVD-2017-27787 // VULHUB: VHN-117684 // JVNDB: JVNDB-2017-006518 // CNNVD: CNNVD-201706-268 // NVD: CVE-2017-9481

REFERENCES

url:	https://github.com/bastilleresearch/cabletap/blob/master/doc/advisories/bastille-24.atom-ip-routing.txt	Trust: 2.5
url:	https://nvd.nist.gov/vuln/detail/cve-2017-9481	Trust: 1.4
url:	http://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2017-9481	Trust: 0.8

sources: CNVD: CNVD-2017-27787 // VULHUB: VHN-117684 // JVNDB: JVNDB-2017-006518 // CNNVD: CNNVD-201706-268 // NVD: CVE-2017-9481

SOURCES

db:	CNVD	id:	CNVD-2017-27787
db:	VULHUB	id:	VHN-117684
db:	JVNDB	id:	JVNDB-2017-006518
db:	CNNVD	id:	CNNVD-201706-268
db:	NVD	id:	CVE-2017-9481

LAST UPDATE DATE

2025-04-20T23:42:58.592000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2017-27787	date:	2017-09-21T00:00:00
db:	VULHUB	id:	VHN-117684	date:	2019-10-03T00:00:00
db:	JVNDB	id:	JVNDB-2017-006518	date:	2017-08-29T00:00:00
db:	CNNVD	id:	CNNVD-201706-268	date:	2019-10-23T00:00:00
db:	NVD	id:	CVE-2017-9481	date:	2025-04-20T01:37:25.860

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2017-27787	date:	2017-09-21T00:00:00
db:	VULHUB	id:	VHN-117684	date:	2017-07-31T00:00:00
db:	JVNDB	id:	JVNDB-2017-006518	date:	2017-08-29T00:00:00
db:	CNNVD	id:	CNNVD-201706-268	date:	2017-06-09T00:00:00
db:	NVD	id:	CVE-2017-9481	date:	2017-07-31T03:29:00.410