Vulnerability Report

CVE-2013-3660

CISA KEV Active

Title: Microsoft Windows Server 2008 Auth Bypass

Auth Bypass

Proof Of Concept

PoC Available for CVE-2013-3660

CWE Category CWE-119
Published Date May 24, 2013
Modified Date Jun 16, 2026
Exploit Status Available
Score 7.8 CVSS v3.1
Exploit Probability (EPSS)
39.58%

Vulnerability Summary

CVE-2013-3660: The EPATHOBJ::pprFlattenRec function in win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, and Windows Server 2012 does not properly initialize a pointer for the next object in a certain list, which allows local users to obtain write access to the PATHRECORD chain, and consequently gain privileges, by triggering excessive consumption of paged memory and then making many FlattenPath function calls, aka "Win32k Read AV Vulnerability."

Impacted Vendors

M
microsoft 8

Reference Links

http://archives.neohapsis.com/archives/fulldisclosure/2013-05/0090.html http://archives.neohapsis.com/archives/fulldisclosure/2013-05/0094.html http://archives.neohapsis.com/archives/fulldisclosure/2013-06/0006.html http://secunia.com/advisories/53435 http://twitter.com/taviso/statuses/309157606247768064 http://twitter.com/taviso/statuses/335557286657400832 http://www.computerworld.com/s/article/9239477 http://www.exploit-db.com/exploits/25611/ http://www.osvdb.org/93539 http://www.reddit.com/r/netsec/comments/1eqh66/0day_windows_kernel_epathobj_vulnerability/ http://www.theverge.com/2013/5/23/4358400/google-engineer-bashes-microsoft-discloses-windows-flaw http://www.us-cert.gov/ncas/alerts/TA13-190A https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-053 https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A17360 http://archives.neohapsis.com/archives/fulldisclosure/2013-05/0090.html http://archives.neohapsis.com/archives/fulldisclosure/2013-05/0094.html http://archives.neohapsis.com/archives/fulldisclosure/2013-06/0006.html http://secunia.com/advisories/53435 http://twitter.com/taviso/statuses/309157606247768064 http://twitter.com/taviso/statuses/335557286657400832 http://www.computerworld.com/s/article/9239477 http://www.exploit-db.com/exploits/25611/ http://www.osvdb.org/93539 http://www.reddit.com/r/netsec/comments/1eqh66/0day_windows_kernel_epathobj_vulnerability/ http://www.theverge.com/2013/5/23/4358400/google-engineer-bashes-microsoft-discloses-windows-flaw http://www.us-cert.gov/ncas/alerts/TA13-190A https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-053 https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A17360 https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2013-3660
CVSS v3.1
Source Entity [email protected]
Severity HIGH
7.8
Attack Vector
LOCAL
Complexity
LOW
Privileges
N/A
Interaction
REQUIRED
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v3.1
Source Entity 134c704f-9b21-4f2e-91b3-4a467353bcc0
Severity HIGH
7.8
Attack Vector
LOCAL
Complexity
LOW
Privileges
N/A
Interaction
REQUIRED
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
6.9
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:L/AC:M/Au:N/C:C/I:C/A:C

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2013-3660 Exploits & PoCs (Proof Of Concept)

Exploit-DB https://www.exploit-db.com/exploits/25611
View Code
Exploit-DB https://www.exploit-db.com/exploits/26554
View Code
Exploit-DB https://www.exploit-db.com/exploits/25912
View Code
MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector LOCAL
Complexity LOW
Privileges N/A
Interaction REQUIRED
CVSS Vector String CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Stack

No specific products linked.