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Compliant Product - Cisco Aggregation Services Router 1000 Series (ASR1K), Cisco Cloud Services Router 1000V (CSR1000V), Cisco Integrated Services Router 1100 Series (ISR1100), Cisco Integrated Services Router 4200 Series (ISR4K) running IOS-XE 17.3

Certificate Date:  2021.12.28

Validation Report Number:  CCEVS-VR-VID11186-2021

Product Type:    Virtual Private Network
   Network Device

Conformance Claim:  Protection Profile Compliant

PP Identifier:    collaborative Protection Profile for Network Devices Version 2.2e
  PP-Module for Virtual Private Network (VPN) Gateways Version 1.1

CC Testing Lab:  Acumen Security


CC Certificate [PDF] Security Target [PDF] Validation Report [PDF]

Assurance Activity [PDF]

Administrative Guide [PDF]

Administrative Guide [PDF]


Product Description

Cisco Aggregation Services Router 1000 Series (ASR1K)

The TOE consists of one physical device and includes Cisco IOS-XE version 17.3 software.  The ASR1K hardware models included in this evaluation are the ASR1002X (2-RU) and ASR1006 (6-RU). Table 1 adds additional details on the physical characteristics of the two models. The TOE has two or more network interfaces and is connected to at least one internal and one external network. Typically, packet flows are passed through the internetworking device and forwarded to their configured destination.

Cisco Cloud Services Router 1000V (CSR1000V)

The TOE in the evaluated configuration contains the CSR1000V software image. The CSR1000V TOE requires the following: 

·         Cisco UCS C-Series M5 Server with Intel Xeon Scalable 2nd Generation processors or other general-purpose computing platforms with specified Intel processors as described in Table 1

·         VMware ESXi 6.7 Hypervisor

·         Virtual Machine (VM) Requirements: The following minimum technical specs are required on the Cisco UCS Server or general-purpose computing platforms to support the CSR1000V guest VM running Cisco IOS-XE version 17.3 software:

o   A single virtual hard disk – 8 GB minimum

o   One dedicated management port[1]

o   Two or more virtual network interfaces with adapter type VMXNET3 that are mapped to physical ethernet ports on the host server via ESXi

o   The following virtual CPU/RAM configurations are supported:

§   1 virtual CPU, requiring 4 GB minimum of RAM

§   2 virtual CPUs, requiring 4 GB minimum of RAM

§   4 virtual CPUs, requiring 4 GB minimum of RAM

§   8 virtual CPUs, requiring 4 GB minimum of RAM

 


[1] VMware remote local console

The TOE has two or more network interfaces and is connected to at least one internal and one external network. Typically, packet flows are passed through the internetworking device and forwarded to their configured destination.


Evaluated Configuration

Evaluated configuration for the UCS C-Series M5 Servers with Intel Scalable 2nd Generation processors includes the following:

§  Intel Xeon Gold 6244 (Cascade Lake)

§  VMware ESXi 6.7

§  VMXNET3 NIC (3 physical GbE port mapped to 3 virtual NICs (Mgmt, WAN, LAN)

§  1vCPU

§  4GB RAM (virtual) / 64GB (physical)

§  8GB HDD (virtual) / 2TB (physical)

Evaluated configuration for the general-purpose computing platforms with Intel Broadwell processors: includes the following:

§  Intel Xeon D-1559 (Broadwell)

§  VMware ESXi 6.7

§  VMXNET3 NIC (3 physical GbE port mapped to 3 virtual NICs (Mgmt, WAN, LAN)

§  1vCPU

§  4GB RAM (Virtual) / 64GB RAM (Physical)

§  8GB HDD (virtual) / 500GB (physical)

Evaluated configuration for the general-purpose computing platforms with Intel Coffee Lake processors includes the following:

§  Intel Xeon E-2254ML (Coffee Lake)

§  VMware ESXi 6.7

§  VMXNET3 NIC (3 physical GbE port mapped to 3 virtual NICs (Mgmt, WAN, LAN)

§  1vCPU

§  4GB RAM (virtual) / 64GB (physical)

§  8GB HDD (virtual) / 2TB (physical)

Evaluated configuration for the general-purpose computing platforms with Intel Goldmont processors includes the following:

§  Intel Atom E3950 (Goldmont)

§  VMware ESXi 6.7

§  VMXNET3 NIC (3 physical GbE port mapped to 3 virtual NICs (Mgmt, WAN, LAN)

§  1vCPU

§  4GB RAM (virtual) / 8GB (physical)

§  8GB HDD (virtual) / 500GB (physical)

Cisco Integrated Services Router 1100 Series (ISR1100)

The TOE consists of one physical device and includes Cisco IOS-XE version 17.3 software.  The hardware model included in the evaluation are the C1101, C1109, C1111, C1112, C1113, C1116, C1117, C1118, C1121, C1126, C1127, C1128 and C1161. Table 1 adds additional details on the physical characteristics of the models. The TOE has two or more network interfaces and is connected to at least one internal and one external network. Typically, packet flows are passed through the internetworking device and forwarded to their configured destination.

Cisco Integrated Services Router 4200 Series (ISR4K)

The TOE consists of one physical device and includes Cisco IOS-XE version 17.3 software. The hardware models included in the evaluation is the ISR4221 with network interface module (NIM): NIM-1GE-CU-SFP. Table 1 adds additional details on the physical characteristics of the model. The TOE has two or more network interfaces and is connected to at least one internal and one external network. Typically, packet flows are passed through the internetworking device and forwarded to their configured destination.

The following two figures provide a visual depiction of an example TOE deployment for the ASR1K, ISR1100, ISR4k, and CSR1000V:

 

Figure 1  TOE Example Deployment for ASR1K, ISR1100, ISR4K

 

Figure 2  TOE Example Deployment for CSR1000V 

 

 Figures 1 and 2 includes the following:

·         Examples of TOE Models

·         The following are considered to be in the IT Environment:

o   VPN Peer

o   Management Workstation

o   Radius AAA (Authentication) Server

o   Audit (Syslog) Server

o   Local Console

o   Certificate Authority (CA)

NOTE: While the previous figure includes several non-TOE IT environment devices, the TOE is only the CSR1000V, ASR1K, ISR1100, or ISR4K instance. Only one TOE instance is required for deployment in the evaluated configuration.

Table 1 Hardware Models and Specifications

Hardware

Processor

Features

 

ASR1002-X
    

 

Intel Xeon EC3539 (Nehalem)

Physical dimensions (H x W x D in.)

·       3.5 x 17.2 x 22 in

Interfaces

·          Shared Port Adapters: 3

·          Built-in Gigabit Ethernet ports: 6

·          ESP Bandwidth: 5 to 36 Gbps

 

ASR1006
ASR1000-ESP100
ASR1000-RP2

Intel Xeon L5238 (Wolfdale)

Physical dimensions (H x W x D in.)

·          10.5 x 17.2 x 18.5 in

 Interfaces

·          Shared Port Adapters: 12

·          Built-in Gigabit Ethernet ports: 0

·          ESP Bandwidth: 10 to 100 Gbps

CSR1000V virtual router compatible Cisco UCS Servers and other general-purpose computing platforms with specified Intel processors

Intel Xeon Scalable 2nd Generation (Cascade Lake) [2] with ESXi 6.7
Intel Broadwell processors with ESXi 6.7

Intel Goldmont processors with ESXi 6.7

Intel Coffee Lake processors with ESXi 6.7

Cisco UCS C-Series M5 Servers and General-purpose computing hardware Interfaces:

All compatible hardware platforms have a dedicated OOB management port and at least two physical Gigabit ethernet interfaces.

 VM Interfaces:

·         One dedicated management port[3]

·         Two or more virtual network interfaces with adaptor type VMXNET3 that are mapped to physical ethernet ports on the host server via ESXi

ISR 1100 Series Routers
C1101, C1109, C1111, C1112, C1113, C1116, C1117, C1118, C1121, C1126, C1127, C1128 C1161

Marvel Armada (Cortex -A72)

 

 

 

Physical dimensions (H x W x D in.)

·         1.75 x 12.7 x 9.6 in. (LTE)

·         1.75 x 12.7 x 9.03 in. (Non-LTE)

·         1.73 x 9.75 x 6.6 in. (C1101 LTE)

·         1.1 x 7.5 x 6.0 in. (C1101 Non-LTE) 

Interfaces

·         Up to 10 built-in 10/100/1000 Ethernet ports for WAN or LAN.

·         One 10/100/1000 Ethernet port that can support (SFP)-based or RJ-45 connections.

·         PoE/PoE+ on Gigabit Ethernet interfaces (enabled on specific platforms).

·         One Gigabit Ethernet port is provided for device management.

 

ISR4221

Intel Atom C2558 (Silvermont)

Physical dimensions (H x W x D in.)

·          1.72 x 12.7 x 10

Interfaces

·          Two RJ-45 WAN or LAN 10/100/1000 ports

·          One SFP WAN or LAN 10/100/1000 port

·          Two NIM slots

·          One External USB 2.0 slot

·          One Serial console port

·          8 GB Flash Memory default

·          4 GB DRAM default

 

 


[2] Evaluated on UCS C220 M5 with Intel Xeon Gold 6244

[3] VMware remote local console


Security Evaluation Summary

The evaluation was carried out in accordance with the Common Criteria Evaluation and Validation Scheme (CCEVS) process and scheme. The criteria against which the Cisco Aggregation Services Router 1000 Series (ASR1K),  Cisco Cloud Services Router 1000V (CSR1000V), Cisco Integrated Services Router1100 Series (ISR1100), Cisco Integrated Services Router 4200 Series (ISR4K) running IOS-XE 17.3 were evaluated are described in the Common Criteria for Information Technology Security Evaluation, Version 3.1 rev 5.  The evaluation methodology used by the evaluation team to conduct the evaluation is the Common Methodology for Information Technology Security Evaluation, Version 3.1 rev 5.  The product, when delivered, configured as identified in the following guidance documents satisfy all of the security functional requirements stated in the Cisco Aggregation Services Router 1000 Series (ASR1K),  Cisco Cloud Services Router 1000V (CSR1000V), Cisco Integrated Services Router 1100 Series (ISR1100), Cisco Integrated Services Router 4200 Series (ISR4K) running IOS-XE 17.3 Security Target, Version 0.7:

·         Cisco Aggregation Services Router 1000 Series (ASR1K), Cisco Integrated Services Router 1100 Series (ISR1100), Cisco Integrated Services Router 4200 Series running IOS-XE 17.3 (ISR4K) CC Configuration Guide, Version 0.4

·         Cisco Cloud Services Router 1000V (CSR1000V) running IOS-XE 17.3 CC Configuration Guide, Version 0.4

The project underwent CCEVS Validator review.  The evaluation was completed in December 2021.  Results of the evaluation can be found in the Common Criteria Evaluation and Validation Scheme Validation Report prepared by CCEVS.


Environmental Strengths

The TOE is comprised of several security features. Each of the security features identified above consists of several security functionalities, as identified below.

·         Security Audit

·         Cryptographic Support

·         Identification and Authentication

·         Security Management

·         Protection of the TSF

·         TOE Access

·         Trusted Path/Channels

These features are described in more detail in the subsections below.  In addition, the TOE implements all SFRs of the NDcPP v2.2e and MOD_VPNGW v1.1 as necessary to satisfy testing/assurance measures prescribed therein.

Security Audit

The TOE provides extensive auditing capabilities. The TOE can audit events related to cryptographic functionality, identification and authentication, and administrative actions. The TOE generates an audit record for each auditable event.  Each security relevant audit event has the date, timestamp, event description, and subject identity.  The administrator configures auditable events, performs back-up operations and manages audit data storage.  The TOE provides the administrator with a circular audit trail or a configurable audit trail threshold to track the storage capacity of the audit trail.  Audit logs are backed up over an encrypted channel to an external audit server.

Cryptographic Support

The TOE provides cryptography in support of other TOE security functionality. All the algorithms claimed have CAVP certificates for all processors listed in Table 1. The TOE leverages the IOS Common Cryptographic Module (IC2M) Rel5.

The TOE provides cryptography in support of VPN connections and remote administrative management via SSHv2 and IPsec to secure the transmission of audit records to the remote syslog server. In addition, IPsec is used to secure the session between the TOE and the authentication servers.

Identification and authentication

The TOE performs two types of authentication: device-level authentication of the remote device (VPN peers) and user authentication for the Authorized Administrator of the TOE.  Device-level authentication allows the TOE to establish a secure channel with a trusted peer.  The secure channel is established only after each device authenticates the other.  Device-level authentication is performed via IKE/IPsec mutual authentication. The TOE supports use of IKEv1 (ISAKMP) and IKEv2 pre-shared keys for authentication of IPsec tunnels. The IKE phase authentication for the IPsec communication channel between the TOE and authentication server and between the TOE and syslog server is considered part of the Identification and Authentication security functionality of the TOE.  

The TOE provides authentication services for administrative users to connect to the TOE’s secure CLI administrator interface.  The TOE requires Authorized Administrators to authenticate prior to being granted access to any of the management functionality.  The TOE can be configured to require a minimum password length of 15 characters. The TOE provides administrator authentication against a local user database.  Password-based authentication can be performed on the serial console or SSH interfaces.  The SSHv2 interface also supports authentication using SSH keys.  The TOE supports the use of a RADIUS AAA server (part of the IT Environment) for authentication of administrative users attempting to connect to the TOE’s CLI.

The TOE provides an automatic lockout when a user attempts to authenticate and enters invalid information.  After a defined number of authentication attempts fail exceeding the configured allowable attempts, the user is locked out until an authorized administrator can enable the user account. 

Security Management

The TOE provides secure administrative services for management of general TOE configuration and the security functionality provided by the TOE.  All TOE administration occurs either through a secure SSHv2 session or via a local console connection.  The TOE provides the ability to securely manage:

·         Administration of the TOE locally and remotely;

·         All TOE administrative users;

·         All identification and authentication;

·         All audit functionality of the TOE;

·         All TOE cryptographic functionality;

·         The timestamps maintained by the TOE;

·         Update to the TOE and verification of the updates;

·         Configuration of IPsec functionality.

The TOE supports two separate administrator roles: non-privileged administrator and privileged administrator.  Only the privileged administrator can perform the above security relevant management functions. Management of the TSF data is restricted to Security Administrators. The ability to enable, disable, determine and modify the behavior of all of the security functions of the TOE is restricted to authorized administrators.

Administrators can create configurable login banners to be displayed at time of login, and can also define an inactivity timeout for each admin interface to terminate sessions after a set period of inactivity.

Packet Filtering

The TOE provides packet filtering and secure IPsec tunneling.  The tunnels can be established between two trusted VPN peers.  More accurately, these tunnels are sets of security associations (SAs).  The SAs define the protocols and algorithms to be applied to sensitive packets and specify the keying material to be used.  SAs are unidirectional and are established per the ESP security protocol.  An authorized administrator can define the traffic that needs to be protected via IPsec by configuring access lists (permit, deny, log) and applying these access lists to interfaces using crypto map sets.

Protection of the TSF

The TOE protects against interference and tampering by untrusted subjects by implementing identification, authentication, and access controls to limit configuration to Authorized Administrators.  The TOE prevents reading of cryptographic keys and passwords. 

Additionally, Cisco IOS-XE is not a general-purpose operating system and access to Cisco IOS-XE memory space is restricted to only Cisco IOS-XE functions.

The TOE internally maintains the date and time.  This date and time is used as the timestamp that is applied to audit records generated by the TOE.  Administrators can update the TOE’s clock manually.  Finally, the TOE performs testing to verify correct operation of the router itself and that of the cryptographic module.

The TOE is able to verify any software updates prior to the software updates being installed on the TOE to avoid the installation of unauthorized software.

Whenever a failure occurs within the TOE that results in the TOE ceasing operation, the TOE securely disables its interfaces to prevent the unintentional flow of any information to or from the TOE and reloads. 

TOE Access

The TOE can terminate inactive sessions after an Authorized Administrator configurable time-period.  Once a session has been terminated the TOE requires the user to re-authenticate to establish a new session.  Sessions can also be terminated if an Authorized Administrator enters the “exit” or “logout” command. 

The TOE can also display a Security Administrator specified banner on the CLI management interface prior to allowing any administrative access to the TOE.

Trusted path/Channels

The TOE allows trusted paths to be established to itself from remote administrators over SSHv2 which has the ability to be encrypted further using IPsec, and initiates outbound IPsec tunnels to transmit audit messages to remote syslog servers.  In addition, IPsec is used to secure the session between the TOE and the authentication servers.  The TOE can also establish trusted paths of peer-to-peer IPsec sessions.  The peer-to-peer IPsec sessions must be used for securing the communications between the TOE and authentication server/syslog server, as well as to protect communications with a CA.


Vendor Information


Cisco Systems, Inc.
Cert Team
+1 410-309-4862
certteam@cisco.com

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