Integer overflow in Microsoft Windows 7
CVE-2011-2013
Integer overflow in the TCP/IP implementation in Microsoft Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows remote attackers to execute arbitrary code by sending a sequence of crafted UDP packets to a closed port, aka "Reference Counter Overflow Vulnerability."
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.323 (98.3th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 98.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.337 · newest: 0.323 · change: -0.014
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-083 (vendor-advisory)
- www.securitytracker.com/id (vdb-entry)
- oval.cisecurity.org/repository/search/definition/oval:org.mitre.oval:def:13877 (signature, vdb-entry)
Frequently asked questions
- What is CVE-2011-2013?
- CVE-2011-2013 is a critical-severity vulnerability in Microsoft Windows 7, classified under CWE-189. CVSS score: 9.8/10. Published 2011-11-08.
- How severe is CVE-2011-2013?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2011-2013 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.