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CCE
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CCE-8804-7

Platform: cpe:/o:microsoft:windows_7Date: (C)2012-05-18   (M)2023-07-04



Allow NTLM to fall back to NULL session when used with LocalSystem. The default is TRUE up to Windows Vista and FALSE in Windows 7. Countermeasure: Configure Network security: Allow LocalSystem NULL session fallback to Disabled. Potential Impact: Any applications that require NULL sessions for LocalSystem will not work as designed.


Parameter:

[enabled/disabled]


Technical Mechanism:

(1) GPO: Computer Configuration\Windows Settings\Security Settings\Local Policies\Security Options\Network security: Allow LocalSystem NULL session fallback (2) REG: HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\Lsa\MSV1_0!allownullsessionfallback

CCSS Severity:CCSS Metrics:
CCSS Score : 7.7Attack Vector: NETWORK
Exploit Score: 1.8Attack Complexity: HIGH
Impact Score: 5.3Privileges Required: LOW
Severity: HIGHUser Interaction: NONE
Vector: AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:LScope: CHANGED
 Confidentiality: HIGH
 Integrity: LOW
 Availability: LOW
  

References:
Resource IdReference
SCAP Repo OVAL Definitionoval:gov.nist.usgcb.windowsseven:def:20016
BITS Shared Assessments SIG v6.0BITS Shared Assessments SIG v6.0
Jericho ForumJericho Forum
HIPAA/HITECH ActHIPAA/HITECH Act
FedRAMP Security Controls(Final Release Jan 2012)--LOW IMPACT LEVEL--FedRAMP Security Controls(Final Release Jan 2012)--LOW IMPACT LEVEL--
ISO/IEC 27001-2005ISO/IEC 27001-2005
COBIT 4.1COBIT 4.1
GAPP (Aug 2009)GAPP (Aug 2009)
NERC CIPNERC CIP
NIST SP800-53 R3NIST SP800-53 R3 CM-7
NIST SP800-53 R3NIST SP800-53 R3 IA-2
PCIDSS v2.0PCIDSS v2.0
FedRAMP Security Controls(Final Release Jan 2012)--MODERATE IMPACT LEVEL--FedRAMP Security Controls(Final Release Jan 2012)--MODERATE IMPACT LEVEL--
BITS Shared Assessments AUP v5.0BITS Shared Assessments AUP v5.0


OVAL    1
oval:gov.nist.usgcb.windowsseven:def:20016
XCCDF    10
xccdf_nist_benchmark_Windows_7
xccdf_gov.nist_benchmark_USGCB-Windows-7
xccdf_org.secpod_benchmark_Windows_7
xccdf_org.secpod_benchmark_NIST_800_53_r4_Windows_7
...

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