STIGQter: STIG Summary: Cisco ASA VPN Security Technical Implementation Guide Version: 2 Release: 2 Benchmark Date: 24 Oct 2024:

The Cisco ASA VPN gateway must be configured to renegotiate the IPsec Security Association after eight hours or less.

DISA Rule

SV-239963r1015263_rule

Vulnerability Number

V-239963

Group Title

SRG-NET-000337-VPN-001290

Rule Version

CASA-VN-000350

Severity

CAT II

CCI(s)

• CCI-004895 - Permit users to invoke the trusted communications path for communications between the user and the organization-defined security functions, including at a minimum, authentication and re-authentication.

Weight

10

Fix Recommendation

Configure the VPN gateway to renegotiate the security association after eight hours or less as shown in the example below.

ASA1(config)# crypto map IPSEC_MAP 10 set security-association lifetime seconds 28800
ASA1(config)# end

Check Contents

Verify the VPN gateway renegotiates the security association after eight hours or less as shown in the example below.

crypto map IPSEC_MAP 10 match address SITE1_SITE2
crypto map IPSEC_MAP 10 set peer x.x.x.x
…
…
…
crypto map IPSEC_MAP 10 set security-association lifetime seconds 3600

If the VPN Gateway does not renegotiate the security association after eight hours or less, this is a finding.

Vulnerability Number

V-239963

Documentable

False

Rule Version

CASA-VN-000350

Severity Override Guidance

Verify the VPN gateway renegotiates the security association after eight hours or less as shown in the example below.

crypto map IPSEC_MAP 10 match address SITE1_SITE2
crypto map IPSEC_MAP 10 set peer x.x.x.x
…
…
…
crypto map IPSEC_MAP 10 set security-association lifetime seconds 3600

If the VPN Gateway does not renegotiate the security association after eight hours or less, this is a finding.

Check Content Reference

M

Target Key

5344