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Mainframe Products must verify remote disconnection at the termination of nonlocal maintenance and diagnostic sessions.

Overview

Finding IDVersionRule IDIA ControlsSeverity
V-205581SRG-APP-000413-MFP-000262SV-205581r961560_ruleCCI-002891medium
Description
If the remote connection is not closed and verified as closed, the session may remain open and be exploited by an attacker; this is referred to as a zombie session. Remote connections must be disconnected and verified as disconnected when nonlocal maintenance sessions have been terminated and are no longer available for use.
STIGDate
Mainframe Product Security Requirements Guide2025-09-10

Related Frameworks

1 mapping across 3 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.

MNT-05.4Remote Maintenance Disconnect Verification
1.00
NIST 800-530 mappings

No source states a mapping between these directly.

Also reachable in 2 hops (11) 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-12Session Termination
1.00
IA-2(8)Access to Accounts — Replay Resistant
1.00
IA-2(9)Network Access to Non-privileged Accounts — Replay Resistant
1.00
IA-5(1)Password-based Authentication
1.00
IA-7Cryptographic Module Authentication
1.00
MA-4Nonlocal Maintenance
1.00
MA-4(7)Disconnect Verification
1.00
SC-10Network Disconnect
1.00
SC-23(1)Invalidate Session Identifiers at Logout
1.00

+1 more (top 10 by confidence shown)

CCI1 mapping
CCI-002891
1.00

Details

Check Text (C-205581r961560_chk)

If the Mainframe Product has no function or capability for nonlocal maintenance, this is not applicable. Examine installation and configuration settings. If the Mainframe Product does not verify remote disconnection at the termination of nonlocal maintenance and diagnostic sessions, this is a finding.

Fix Text (F-5847r299971_fix)

Configure the Mainframe Product to verify remote disconnection at the termination of nonlocal maintenance and diagnostic sessions.