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The FortiGate device must implement replay-resistant authentication mechanisms for network access to privileged accounts.

Overview

Finding IDVersionRule IDIA ControlsSeverity
V-234200FGFW-ND-000205SV-234200r960993_ruleCCI-001941medium
Description
A replay attack may enable an unauthorized user to gain access to the application. Authentication sessions between the authenticator and the application validating the user credentials must not be vulnerable to a replay attack. An authentication process resists replay attacks if it is impractical to achieve a successful authentication by recording and replaying a previous authentication message. Techniques used to address this include protocols using nonces (e.g., numbers generated for a specific one-time use) or challenges (e.g., TLS, WS_Security). Additional techniques include time-synchronous or challenge-response one-time authenticators.
STIGDate
Fortinet FortiGate Firewall NDM Security Technical Implementation Guide2025-11-19

Related Frameworks

1 mapping across 5 frameworks
SCF0 mappings

No source states a mapping between these directly.

Also reachable in 3 hops (1) derived by us, not asserted by any source

Each of these is a route we composed by chaining published mappings. No publisher states a relationship between the two endpoints.

IAC-02.2Replay-Resistant Authentication
1.00
NIST 800-530 mappings

No source states a mapping between these directly.

Also reachable in 2 hops (78) derived by us, not asserted by any source

Each of these is a route we composed by chaining published mappings. No publisher states a relationship between the two endpoints.

AC-11Device Lock
1.00
AC-11(1)Pattern-hiding Displays
1.00
AC-17(1)Monitoring and Control
1.00
AC-17(10)Authenticate Remote Commands
1.00
AC-17(2)Protection of Confidentiality and Integrity Using Encryption
1.00
AC-2(1)Automated System Account Management
1.00
AC-2(10)Shared and Group Account Credential Change
1.00
AC-2(11)Usage Conditions
1.00
AC-2(2)Automated Temporary and Emergency Account Management
1.00
AC-2(3)Disable Accounts
1.00

+68 more (top 10 by confidence shown)

NIST 800-1710 mappings

No source states a mapping between these directly.

Also reachable in 3 hops (1) derived by us, not asserted by any source

Each of these is a route we composed by chaining published mappings. No publisher states a relationship between the two endpoints.

3.5.4
1.00
CCI1 mapping
CCI-001941
1.00
NIST CSF 2.00 mappings

No source states a mapping between these directly.

Also reachable in 4 hops (1) derived by us, not asserted by any source

Each of these is a route we composed by chaining published mappings. No publisher states a relationship between the two endpoints.

PR.AA-04
1.00

Details

Check Text (C-234200r960993_chk)

Log in to the FortiGate GUI with Super-Admin privilege. 1. Open a CLI console, via SSH or available from the GUI. 2. Run the following command: # show full-configuration system global | grep -i 'tls\|ssh-v' The output should be: # set admin-https-ssl-versions tlsv1-2 tlsv1-3 # set admin-ssh-v1 disable # set ssl-min-proto-version TLSv1-2 #end If admin-https-ssl-versions is not set to tlsv1-2 tlsv1-3 or admin-ssh-v1 is enable, this is a finding.

Fix Text (F-37350r611788_fix)

Log in to the FortiGate GUI with Super-Admin privilege. 1. Open a CLI console, via SSH or available from the GUI. 2. Run the following command: # config system global # set admin-https-ssl-versions tlsv1-2 tlsv1-3 # set admin-ssh-v1 disable # end