VDB-100837 · CVE-2017-6620 · BID 98289

Cisco CVR100W up to 1.0.1.23 ACL access control

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Cisco CVR100W up to 1.0.1.23. Affected by this vulnerability is an unknown functionality of the component ACL. This manipulation causes access control. This vulnerability is tracked as CVE-2017-6620. The attack is possible to be carried out remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Cisco CVR100W up to 1.0.1.23. Affected by this vulnerability is some unknown functionality of the component ACL. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

A vulnerability in the remote management access control list (ACL) feature of the Cisco CVR100W Wireless-N VPN Router could allow an unauthenticated, remote attacker to bypass the remote management ACL. The vulnerability is due to incorrect implementation of the ACL decision made during the ingress connection request to the remote management interface. An attacker could exploit this vulnerability by sending a connection to the management IP address or domain name of the targeted device. A successful exploit could allow the attacker to bypass the configured remote management ACL. This can occur when the Remote Management configuration parameter is set to Disabled. This vulnerability affects Cisco CVR100W Wireless-N VPN Routers running a firmware image prior to 1.0.1.24. Cisco Bug IDs: CSCvc14457.

The bug was discovered 05/03/2017. The weakness was disclosed 05/03/2017 with Cisco as cisco-sa-20170503-cvr100w2 as confirmed advisory (Website). The advisory is shared at tools.cisco.com. This vulnerability is known as CVE-2017-6620 since 03/09/2017. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

Upgrading to version 1.0.1.24 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 98289†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.6
VulDB Meta Temp Score: 6.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: CVR100W 1.0.1.24

Timelineinfo

03/09/2017 🔍
05/03/2017 +55 days 🔍
05/03/2017 +0 days 🔍
05/03/2017 +0 days 🔍
05/03/2017 +0 days 🔍
05/04/2017 +1 days 🔍
12/22/2020 +1328 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20170503-cvr100w2
Researcher: Cisco
Organization: Cisco
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-6620 (🔍)
GCVE (CVE): GCVE-0-2017-6620
GCVE (VulDB): GCVE-100-100837
SecurityFocus: 98289 - Cisco CVR100W Wireless-N VPN Router CVE-2017-6620 Security Bypass Vulnerability
OSVDB: - CVE-2017-6620 - Cisco - CVR100W - Security Bypass Issue
SecurityTracker: 1038395

Entryinfo

Created: 05/04/2017 08:32
Updated: 12/22/2020 11:29
Changes: 05/04/2017 08:32 (62), 09/23/2020 15:00 (6), 12/22/2020 11:26 (2), 12/22/2020 11:29 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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