CVE-2011-0657
9.8
CRITICAL · CVSS 3.1 · EPSS 62.5% (pctl 99)
Patch early
EPSS 62.5% — above the 10% action threshold.
Description
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."
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 62.5% — more likely to be exploited than 99% of all CVEs |
| Weakness | CWE-20 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2011-04-13 |
| Last modified | 2026-06-16 |
Affected (6)
| Vendor | Product |
|---|---|
| microsoft | windows 2003 server |
| microsoft | windows 7 |
| microsoft | windows server 2003 |
| microsoft | windows server 2008 |
| microsoft | windows vista |
| microsoft | windows xp |
References
- http://osvdb.org/71780
- http://secunia.com/advisories/44161
- http://www.securityfocus.com/bid/47242
- http://www.securitytracker.com/id?1025332
- http://www.us-cert.gov/cas/techalerts/TA11-102A.html
- http://www.vupen.com/english/advisories/2011/0948
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-030
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11902
- http://osvdb.org/71780
- http://secunia.com/advisories/44161
- http://www.securityfocus.com/bid/47242
- http://www.securitytracker.com/id?1025332
- http://www.us-cert.gov/cas/techalerts/TA11-102A.html
- http://www.vupen.com/english/advisories/2011/0948
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-030
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11902
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