CVE-2011-2012

View on CVE.org

Published Oct 12, 2011 CVSS 2.0 · 5.0 Medium EPSS 16.6% KEV · Not listed

Description

Microsoft Forefront Unified Access Gateway (UAG) 2010 Gold, Update 1, Update 2, and SP1 does not properly validate session cookies, which allows remote attackers to cause a denial of service (IIS outage) via unspecified network traffic, aka "Null Session Cookie Crash."

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

OR	cpe:2.3:a:microsoft:forefront_unified_access_gateway:2010:::::::*
	cpe:2.3:a:microsoft:forefront_unified_access_gateway:2010:sp1::::::
	cpe:2.3:a:microsoft:forefront_unified_access_gateway:2010:update1::::::
	cpe:2.3:a:microsoft:forefront_unified_access_gateway:2010:update2::::::

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available

Metrics

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: 16.6% (16.588% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
http://www.securityfocus.com/bid/49980
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-079
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12799

History

No history.

Subscriptions

Microsoft Forefront Unified Access Gateway

Weaknesses

CWE-20

Sources

CVE record Updated: Aug 6, 2024, 10:46 PM

Status: PUBLISHED
Assigner: microsoft
Published: Oct 12, 2011, 1:00 AM
Updated: Aug 6, 2024, 10:46 PM
Reserved: May 9, 2011, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 16, 2026, 11:30 PM

Status: Modified
Published: Oct 12, 2011, 2:52 AM
Modified: Jun 16, 2026, 11:30 PM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2011-10-11T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "Microsoft Forefront Unified Access Gateway (UAG) 2010 Gold, Update 1, Update 2, and SP1 does not properly validate session cookies, which allows remote attackers to cause a denial of service (IIS outage) via unspecified network traffic, aka \"Null Session Cookie Crash.\""}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2018-10-12T19:57:01.000Z", "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "shortName": "microsoft"}, "references": [{"name": "49980", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/49980"}, {"name": "MS11-079", "tags": ["vendor-advisory", "x_refsource_MS"], "url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-079"}, {"name": "oval:org.mitre.oval:def:12799", "tags": ["vdb-entry", "signature", "x_refsource_OVAL"], "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12799"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "secure@microsoft.com", "ID": "CVE-2011-2012", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Microsoft Forefront Unified Access Gateway (UAG) 2010 Gold, Update 1, Update 2, and SP1 does not properly validate session cookies, which allows remote attackers to cause a denial of service (IIS outage) via unspecified network traffic, aka \"Null Session Cookie Crash.\""}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "49980", "refsource": "BID", "url": "http://www.securityfocus.com/bid/49980"}, {"name": "MS11-079", "refsource": "MS", "url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-079"}, {"name": "oval:org.mitre.oval:def:12799", "refsource": "OVAL", "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12799"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-06T22:46:00.920Z"}, "title": "CVE Program Container", "references": [{"name": "49980", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/49980"}, {"name": "MS11-079", "tags": ["vendor-advisory", "x_refsource_MS", "x_transferred"], "url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-079"}, {"name": "oval:org.mitre.oval:def:12799", "tags": ["vdb-entry", "signature", "x_refsource_OVAL", "x_transferred"], "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12799"}]}]}, "cveMetadata": {"assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "assignerShortName": "microsoft", "cveId": "CVE-2011-2012", "datePublished": "2011-10-12T01:00:00.000Z", "dateReserved": "2011-05-09T00:00:00.000Z", "dateUpdated": "2024-08-06T22:46:00.920Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "secure@microsoft.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:microsoft:forefront_unified_access_gateway:2010:*:*:*:*:*:*:*", "matchCriteriaId": "C17E843B-C2FE-433B-B37A-615494AAB211", "vulnerable": true}, {"criteria": "cpe:2.3:a:microsoft:forefront_unified_access_gateway:2010:sp1:*:*:*:*:*:*", "matchCriteriaId": "96448A86-3D9B-488C-A95C-4CCAE1FE177D", "vulnerable": true}, {"criteria": "cpe:2.3:a:microsoft:forefront_unified_access_gateway:2010:update1:*:*:*:*:*:*", "matchCriteriaId": "8D9218D0-D3C5-400A-A8C4-C25160B746B9", "vulnerable": true}, {"criteria": "cpe:2.3:a:microsoft:forefront_unified_access_gateway:2010:update2:*:*:*:*:*:*", "matchCriteriaId": "C8B9D477-AC0F-4271-ACEF-325C31E8BE40", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Microsoft Forefront Unified Access Gateway (UAG) 2010 Gold, Update 1, Update 2, and SP1 does not properly validate session cookies, which allows remote attackers to cause a denial of service (IIS outage) via unspecified network traffic, aka \"Null Session Cookie Crash.\""}, {"lang": "es", "value": "Microsoft Forefront Unified Access Gateway (UAG) 2010 Gold, Update 1, Update 2 y SP1 no validan correctamente las cookies de sesi\u00f3n, lo que permite a atacantes remotos provocar una denegaci\u00f3n de servicio (interrupci\u00f3n de IIS) a trav\u00e9s de tr\u00e1fico de red no especificado. Es un problema tambi\u00e9n conocido como \"caida por cookie de sesi\u00f3n nula\"."}], "id": "CVE-2011-2012", "lastModified": "2026-06-16T23:30:36.063", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2011-10-12T02:52:44.080", "references": [{"source": "secure@microsoft.com", "url": "http://www.securityfocus.com/bid/49980"}, {"source": "secure@microsoft.com", "url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-079"}, {"source": "secure@microsoft.com", "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12799"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/49980"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-079"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12799"}], "sourceIdentifier": "secure@microsoft.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "nvd@nist.gov", "type": "Primary"}]}