Improper input validation in Microsoft Windows 2003 Server
CVE-2011-0657
DNSAPI.dll in the DNS client 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 process DNS queries, which allows remote attackers to execute arbitrary code via (1) a crafted LLMNR broadcast query or (2) a crafted application, aka "DNS Query Vulnerability."
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
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: 0.625 (99.2th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.625 · newest: 0.625 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- oval.cisecurity.org/repository/search/definition/oval:org.mitre.oval:def:11902 (signature, vdb-entry)
- www.us-cert.gov/cas/techalerts/TA11-102A.html (US Government Resource, third-party-advisory)
- www.securitytracker.com/id (vdb-entry)
- secunia.com/advisories/44161 (third-party-advisory)
- www.vupen.com/english/advisories/2011/0948 (vdb-entry)
- docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-030 (vendor-advisory)
- www.securityfocus.com/bid/47242 (vdb-entry)
- osvdb.org/71780 (vdb-entry)
Frequently asked questions
- What is CVE-2011-0657?
- CVE-2011-0657 is a critical-severity vulnerability in Microsoft Windows 2003 Server, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2011-04-13.
- How severe is CVE-2011-0657?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2011-0657 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.