4.9

CVE-2013-3661: microsoft windows_7 Path Traversal

CVSS: 4.9v2.0MediumModified
Published 24-05-2013Last modified 06-08-2024

Vulnerability summary

CVE-2013-3661 is a medium (CVSS 4.9) Path Traversal vulnerability in microsoft windows_7. EPSS estimates a 3.85% chance of exploitation in the next 30 days, higher than 90% of scored vulnerabilities. 3 public exploits are recorded.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
4.9/10
010
Medium · v2.0 (NVD)
EPSS score
3.85%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits3exploit-database

Timeline

  1. 24-05-2013
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

The EPATHOBJ::bFlatten function in win32k.sys 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, Windows Server 2012, and Windows RT does not check whether linked-list traversal is continually accessing the same list member, which allows local users to cause a denial of service (infinite traversal) via vectors that trigger a crafted PATHRECORD chain.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

3.85%

Chance of exploitation in the next 30 days

Percentile

90%

Versus all other CVEs

30-day change

0.00 pp

From 3.85% on 19-09-2026

19-09-202619-10-2026
EPSS score
3.85%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

3 found
  • exploit-databasedoswindowsVerified

    Microsoft Windows - Win32k!EPATHOBJ::pprFlattenRec Uninitialized Next Pointer Testcase

    Maturity: poc

  • exploit-databaselocalwindowsVerified

    Microsoft Windows - 'EPATHOBJ::pprFlattenRec' Local Privilege Escalation (Metasploit)

    Maturity: weaponized

  • exploit-databaselocalwindowsVerified

    Microsoft Windows NT/2000/2003/2008/XP/Vista/7/8 - 'EPATHOBJ' Local Ring

    Maturity: weaponized

Weaknesses

CWE · root cause

Affected systems

Microsoft7 products

1 vendor · 7 products

References

9 links