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III - Administrative Sensitive

Rules and Groups employed by this XCCDF Profile

  • SRG-NET-000088-VPN-000310

    <GroupDescription></GroupDescription>
    Group
  • The Cisco ASA remote access VPN server must be configured to generate log records containing information to establish where the events occurred.

    &lt;VulnDiscussion&gt;Without establishing where events occurred, it is impossible to establish, correlate, and investigate the events leading up t...
    Rule Medium Severity
  • SRG-NET-000089-VPN-000330

    <GroupDescription></GroupDescription>
    Group
  • The Cisco ASA remote access VPN server must be configured to generate log records containing information to establish the source of the events.

    &lt;VulnDiscussion&gt;Without establishing the source of the event, it is impossible to establish, correlate, and investigate the events leading up...
    Rule Low Severity
  • SRG-NET-000091-VPN-000350

    <GroupDescription></GroupDescription>
    Group
  • The Cisco ASA remote access VPN server must be configured to produce log records containing information to establish the outcome of the events.

    &lt;VulnDiscussion&gt;Without information about the outcome of events, security personnel cannot make an accurate assessment as to whether an attac...
    Rule Medium Severity
  • SRG-NET-000062-VPN-000200

    <GroupDescription></GroupDescription>
    Group
  • The Cisco ASA remote access VPN server must be configured to use TLS 1.2 or higher to protect the confidentiality of remote access connections.

    &lt;VulnDiscussion&gt;Using older unauthorized versions or incorrectly configuring protocol negotiation makes the gateway vulnerable to known and u...
    Rule High Severity
  • SRG-NET-000063-VPN-000210

    <GroupDescription></GroupDescription>
    Group
  • The Cisco ASA remote access VPN server must be configured to use a FIPS-validated algorithm and hash function to protect the integrity of TLS remote access sessions.

    &lt;VulnDiscussion&gt;Without integrity protection, unauthorized changes may be made to the log files and reliable forensic analysis and discovery ...
    Rule Medium Severity
  • SRG-NET-000234-VPN-000810

    <GroupDescription></GroupDescription>
    Group
  • The Cisco ASA remote access VPN server must be configured to generate unique session identifiers using a FIPS-validated Random Number Generator (RNG) based on the Deterministic Random Bit Generators (DRBG) algorithm.

    &lt;VulnDiscussion&gt;Both IPsec and TLS gateways use the RNG to strengthen the security of the protocols. Using a weak RNG will weaken the protoco...
    Rule Medium Severity
  • SRG-NET-000063-VPN-000220

    <GroupDescription></GroupDescription>
    Group
  • The Cisco ASA remote access VPN server must be configured to use SHA-2 at 384 bits or greater for hashing to protect the integrity of IPsec remote access sessions.

    &lt;VulnDiscussion&gt;Without strong cryptographic integrity protections, information can be altered by unauthorized users without detection. SHA-...
    Rule Medium Severity
  • SRG-NET-000317-VPN-001090

    <GroupDescription></GroupDescription>
    Group
  • The Cisco VPN remote access server must be configured to use AES256 or greater encryption for the Internet Key Exchange (IKE) Phase 1 to protect confidentiality of remote access sessions.

    &lt;VulnDiscussion&gt;Without confidentiality protection mechanisms, unauthorized individuals may gain access to sensitive information via a remote...
    Rule High Severity
  • SRG-NET-000525-VPN-002330

    <GroupDescription></GroupDescription>
    Group
  • The Cisco ASA VPN remote access server must be configured to use AES256 or greater encryption for the IPsec security association to protect the confidentiality of remote access sessions.

    &lt;VulnDiscussion&gt;Without confidentiality protection mechanisms, unauthorized individuals may gain access to sensitive information via a remote...
    Rule High Severity
  • SRG-NET-000341-VPN-001350

    <GroupDescription></GroupDescription>
    Group
  • The Cisco VPN remote access server must be configured to accept Common Access Card (CAC) credential credentials.

    &lt;VulnDiscussion&gt;The use of PIV credentials facilitates standardization and reduces the risk of unauthorized access. DoD has mandated the use...
    Rule Medium Severity
  • SRG-NET-000369-VPN-001620

    <GroupDescription></GroupDescription>
    Group
  • The Cisco ASA VPN remote access server must be configured to disable split-tunneling for remote clients.

    &lt;VulnDiscussion&gt;Split tunneling would in effect allow unauthorized external connections, making the system more vulnerable to attack and to e...
    Rule Medium Severity
  • SRG-NET-000492-VPN-001980

    <GroupDescription></GroupDescription>
    Group
  • The Cisco ASA VPN remote access server must be configured to generate log records when successful and/or unsuccessful VPN connection attempts occur.

    &lt;VulnDiscussion&gt;Without generating log records that are specific to the security and mission needs of the organization, it would be difficult...
    Rule Medium Severity
  • SRG-NET-000580-VPN-002410

    <GroupDescription></GroupDescription>
    Group
  • The Cisco ASA VPN remote access server must be configured to validate certificates used for Transport Layer Security (TLS) functions by performing RFC 5280-compliant certification path validation.

    &lt;VulnDiscussion&gt;A certificate's certification path is the path from the end entity certificate to a trusted root certification authority (CA)...
    Rule Medium Severity
  • SRG-NET-000565-VPN-002390

    <GroupDescription></GroupDescription>
    Group
  • The Cisco ASA VPN remote access server must be configured to use an approved High Assurance Commercial Solution for Classified (CSfC) cryptographic algorithm for remote access to a classified network.

    &lt;VulnDiscussion&gt;Use of improperly configured or lower assurance equipment and solutions could compromise high-value information. The Nationa...
    Rule High Severity
  • SRG-NET-000345-VPN-002430

    <GroupDescription></GroupDescription>
    Group
  • The Cisco ASA must be configured to not accept certificates that have been revoked when using PKI for authentication.

    &lt;VulnDiscussion&gt;Situations may arise in which the certificate issued by a Certificate Authority (CA) may need to be revoked before the lifeti...
    Rule High Severity

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