CVE-2017-6620

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Summary

CVECVE-2017-6620
StatePUBLISHED
Assignercisco
Source PriorityCVE Program / NVD first with legacy fallback
Published2017-05-03 21:59:00 UTC
Updated2025-04-20 01:37:25 UTC
DescriptionA 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.

Risk And Classification

Primary CVSS: v3.0 5.8 MEDIUM from [email protected]

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

Problem Types: CWE-264 | CWE-20 | CWE-264 CWE-264

VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary5.8MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N
2.0[email protected]Primary5AV:N/AC:L/Au:N/C:P/I:N/A:N

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
Low
Integrity
None
Availability
None

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

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
None

AV:N/AC:L/Au:N/C:P/I:N/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Hardware Cisco Small Business Rv Series Router - All All All
Operating System Cisco Small Business Rv Series Router Firmware 1.0.1.19 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na Cisco CVR100W Wireless-N VPN Router affected Cisco CVR100W Wireless-N VPN Router Not specified

References

ReferenceSourceLinkTags
Cisco CVR100W Wireless-N VPN Router CVE-2017-6620 Security Bypass Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Third Party Advisory, VDB Entry
Cisco CVR100W Wireless-N VPN Router Remote Management Security Bypass Vulnerability af854a3a-2127-422b-91ae-364da2661108 tools.cisco.com Vendor Advisory
Cisco CVR100W Wireless-N VPN Router Lets Remote Users Bypass Remote Management Interface ACL Restrictions on the Target System - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com
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