Improper input validation in Microsoft Windows 2003 Server
CVE-2011-0661
The SMB Server service in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 does not properly validate fields in SMB requests, which allows remote attackers to execute arbitrary code via a malformed request in a (1) SMBv1 or (2) SMBv2 packet, aka "SMB Transaction Parsing Vulnerability."
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v2 metric
CVSS v2 base score 10.0 (High). Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.446 (98.7th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 99th percentile — 98.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.446 · newest: 0.446 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secunia.com/advisories/44072 (third-party-advisory)
- osvdb.org/71781 (vdb-entry)
- www.us-cert.gov/cas/techalerts/TA11-102A.html (US Government Resource, third-party-advisory)
- www.securitytracker.com/id (vdb-entry)
- www.vupen.com/english/advisories/2011/0939 (vdb-entry)
- www.securityfocus.com/bid/47198 (vdb-entry)
- oval.cisecurity.org/repository/search/definition/oval:org.mitre.oval:def:12076 (signature, vdb-entry)
- docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-020 (vendor-advisory)
Frequently asked questions
- What is CVE-2011-0661?
- CVE-2011-0661 is a vulnerability in Microsoft Windows 2003 Server, classified under Improper Input Validation. Published 2011-04-13.
- Is CVE-2011-0661 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.