CVE-2011-1889
Detail
Description
The NSPLookupServiceNext function in the client in Microsoft Forefront Threat Management Gateway (TMG) 2010 allows remote attackers to execute arbitrary code via vectors involving unspecified requests, aka "TMG Firewall Client Memory Corruption Vulnerability."
Metrics
CVSS Version 4.0
CVSS Version 3.x
CVSS Version 2.0
NVD enrichment efforts reference publicly available information to associate
vector strings. CVSS information contributed by other sources is also
displayed.
CVSS 4.0 Severity and Vector Strings:
NVD assessment
not yet provided.
CVSS 3.x Severity and Vector Strings:
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 Severity and Vector Strings:
Vector:
(AV:N/AC:L/Au:N/C:C/I:C/A:C)
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This CVE is in CISA's Known Exploited Vulnerabilities Catalog
Reference
CISA's BOD 22-01 and Known
Exploited Vulnerabilities Catalog for further guidance and requirements.
Vulnerability Name
Date Added
Due Date
Required Action
Microsoft Forefront TMG Remote Code Execution Vulnerability
03/03/2022
03/24/2022
Apply updates per vendor instructions.
Weakness Enumeration
CWE-ID
CWE Name
Source
CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
NIST
CISA-ADP
Change History
14 change records found show changes
Modified Analysis by NIST 4/22/2026 6:35:29 AM
Action
Type
Old Value
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Added
Reference Type
CISA-ADP: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2011-1889 Types: US Government Resource
CVE Modified by CISA-ADP 10/21/2025 9:15:40 PM
Action
Type
Old Value
New Value
Added
Reference
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2011-1889
CVE Modified by CISA-ADP 10/21/2025 4:15:56 PM
Action
Type
Old Value
New Value
Removed
Reference
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2011-1889
CVE Modified by CISA-ADP 10/21/2025 3:16:00 PM
Action
Type
Old Value
New Value
Added
Reference
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2011-1889
Modified Analysis by NIST 4/07/2025 2:24:46 PM
Action
Type
Old Value
New Value
CVE Modified by CISA-ADP 2/10/2025 3:15:31 PM
Action
Type
Old Value
New Value
Added
CVSS V3.1
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Added
CWE
CWE-119
Modified Analysis by NIST 12/19/2024 1:50:04 PM
Action
Type
Old Value
New Value
CVE Modified by CVE 11/20/2024 8:27:15 PM
Action
Type
Old Value
New Value
Added
Reference
http://secunia.com/advisories/44857
Added
Reference
http://www.securityfocus.com/bid/48181
Added
Reference
http://www.securitytracker.com/id?1025637
Added
Reference
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-040
Added
Reference
https://exchange.xforce.ibmcloud.com/vulnerabilities/67736
Added
Reference
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12642
Modified Analysis by NIST 7/24/2024 10:30:00 AM
Action
Type
Old Value
New Value
Added
CVSS V3.1
NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Changed
Reference Type
http://secunia.com/advisories/44857 No Types Assigned
http://secunia.com/advisories/44857 Broken Link
Changed
Reference Type
http://www.securityfocus.com/bid/48181 No Types Assigned
http://www.securityfocus.com/bid/48181 Broken Link, Third Party Advisory, VDB Entry
Changed
Reference Type
http://www.securitytracker.com/id?1025637 No Types Assigned
http://www.securitytracker.com/id?1025637 Broken Link, Third Party Advisory, VDB Entry
Changed
Reference Type
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-040 No Types Assigned
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-040 Patch, Vendor Advisory
Changed
Reference Type
https://exchange.xforce.ibmcloud.com/vulnerabilities/67736 No Types Assigned
https://exchange.xforce.ibmcloud.com/vulnerabilities/67736 Third Party Advisory, VDB Entry
Changed
Reference Type
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12642 No Types Assigned
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12642 Broken Link
CVE Modified by Microsoft Corporation 5/13/2024 10:30:24 PM
Action
Type
Old Value
New Value
CVE Modified by Microsoft Corporation 10/12/2018 6:01:05 PM
Action
Type
Old Value
New Value
Added
Reference
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-040 [No Types Assigned]
Removed
Reference
http://www.microsoft.com/technet/security/Bulletin/MS11-040.mspx [Patch, Vendor Advisory]
CVE Modified by Microsoft Corporation 9/18/2017 9:32:48 PM
Action
Type
Old Value
New Value
Added
Reference
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12642 [No Types Assigned]
Removed
Reference
http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:12642 [No Types Assigned]
CVE Modified by Microsoft Corporation 8/16/2017 9:34:27 PM
Action
Type
Old Value
New Value
Added
Reference
https://exchange.xforce.ibmcloud.com/vulnerabilities/67736 [No Types Assigned]
Removed
Reference
http://xforce.iss.net/xforce/xfdb/67736 [No Types Assigned]
Initial CVE Analysis 6/17/2011 12:32:00 PM
Action
Type
Old Value
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Quick Info
CVE Dictionary Entry: CVE-2011-1889 NVD
Published Date: 06/16/2011 NVD
Last Modified: 04/22/2026
Source: Microsoft Corporation