Vulnerability Report

CVE-2011-1984

Title: Microsoft Windows Server 2008 Auth Bypass

Auth Bypass

Proof Of Concept

PoC Available for CVE-2011-1984

CWE Category CWE-264

Published Date Sep 15, 2011

Modified Date Jun 16, 2026

Exploit Status Available

Score 7.2 CVSS v2.0

Exploit Probability (EPSS)

7.84%

Vulnerability Summary

CVE-2011-1984: WINS in Microsoft Windows Server 2003 SP2 and Server 2008 SP2, R2, and R2 SP1 allows local users to gain privileges by sending crafted packets over the loopback interface, aka "WINS Local Elevation of Privilege Vulnerability."

Impacted Vendors

microsoft 3

Reference Links

http://securityreason.com/securityalert/8378 http://www.us-cert.gov/cas/techalerts/TA11-256A.html https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-070 https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12634 http://securityreason.com/securityalert/8378 http://www.us-cert.gov/cas/techalerts/TA11-256A.html https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-070 https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12634

CVSS v2.0

Source Entity [email protected]

Severity HIGH

7.2

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:L/AC:L/Au:N/C:C/I:C/A:C

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2011-1984 Exploits & PoCs (Proof Of Concept)

Exploit-DB https://www.exploit-db.com/exploits/17831

View Code

June 16, 2026 MODIFIED

Vulnerability data updated via NVD.

April 29, 2026 MODIFIED

Vulnerability data updated via NVD.

April 11, 2025 MODIFIED

Vulnerability data or affected products updated.

September 15, 2011 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A

Complexity N/A

Privileges N/A

Interaction NONE

CVSS Vector String


                                    AV:L/AC:L/Au:N/C:C/I:C/A:C

Affected Stack

No specific products linked.