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The F5 BIG-IP appliance must be configured with only one local account to be used as the account of last resort in the event the authentication server is unavailable.

Overview

Finding IDVersionRule IDIA ControlsSeverity
V-266066F5BI-DM-300009SV-266066r1051115_ruleCCI-001358medium
Description
Authentication for administrative (privileged level) access to the device is required at all times. An account can be created on the device's local database for use when the authentication server is down or connectivity between the device and the authentication server is not operable. This account is referred to as the account of last resort since it is intended to be used as a last resort and when immediate administrative access is absolutely necessary. The account of last resort logon credentials must be stored in a sealed envelope and kept in a safe. The safe must be periodically audited to verify the envelope remains sealed. The signature of the auditor and the date of the audit must be added to the envelope as a record. Administrators must secure the credentials and disable the root account (if possible) when not needed for system administration functions.
STIGDate
F5 BIG-IP TMOS NDM Security Technical Implementation Guide2025-06-12

Related Frameworks

2 mappings across 5 frameworks
SCF0 mappings

No source states a mapping between these directly.

Also reachable in 3 hops (26) 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.

CFG-02Secure Baseline Configurations
1.00
CRY-01Use of Cryptographic Controls
1.00
DCH-01Data Protection
1.00
HRS-02Position Categorization
1.00
HRS-11Separation of Duties (SoD)
1.00
IAC-01Identity & Access Management (IAM)
1.00
IAC-01.2Authenticate, Authorize and Audit (AAA)
1.00
IAC-02Identification & Authentication for Organizational Users
1.00
IAC-03Identification & Authentication for Non-Organizational Users
1.00
IAC-04Identification & Authentication for Devices
1.00

+16 more (top 10 by confidence shown)

NIST 800-530 mappings

No source states a mapping between these directly.

Also reachable in 2 hops (3) 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-2Account Management
1.00
AC-2(3)Disable Accounts
1.00
AC-2(7)Privileged User Accounts
1.00
NIST 800-1710 mappings

No source states a mapping between these directly.

Also reachable in 3 hops (2) 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.

3.1.1
1.00
3.1.2
1.00
CCI2 mappings
CCI-001358
1.00
CCI-002111
1.00
NIST CSF 2.00 mappings

No source states a mapping between these directly.

Also reachable in 3 hops (5) 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.

DE.CM-01
1.00
DE.CM-03
1.00
PR.AA-01
1.00
PR.AA-05
1.00
PR.DS-10
1.00

Who does this work

15 NICE work roles and 9 EC-Council certifications.

This is an inference across published mappings, not a single claim by anyone. This check maps to a control, which maps to a Cybersecurity Framework outcome, which NIST assigns to the work roles below. EC-Council separately maps its certifications to those same roles.

A certification prepares someone for a role. It is not evidence that a holder is qualified, and neither NIST nor EC-Council has stated that any certification here addresses this check.

Work-role assignments published by NIST (NICE Framework Components 2.2.0 and the CSF 2.0 OLIR crosswalk). Certification mappings published by EC-Council.

Details

Check Text (C-266066r1051115_chk)

From the BIG-IP GUI: 1. System. 2. Users. 3. User List. 4. Verify there is only one account of last resort listed. From the BIG-IP console, type the following command: tmsh list auth user If there is more than one account of last resort listed, this is a finding.

Fix Text (F-69892r1023448_fix)

From the BIG-IP GUI: 1. System. 2. Users. 3. User List. 4. Delete any local users that are not the account of last resort. From the BIG-IP console, type the following commands: tmsh delete auth user <username> tmsh save sys config