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…
- Published
- Updated
- Reserved
- Assigned by
- microsoft
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."
Timeline
ID reserved
By microsoft
- 3 months later
· 3 months later
Published
- 14 years later
· 14 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 62.5% · top 0.8% of all CVEs (8 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: yes · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Weakness
- n/a
- CWE-noinfo Not enough information
- CWE-20 (opens in a new tab)All about CWE-20 and its CVEs
Affected products
n/a
- affected n/a
References (8)
- oval:org.mitre.oval:def:11902 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- TA11-102A (opens in a new tab)third-party-advisoryx_refsource_CERTx_transferred
- 1025332 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- 44161 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- ADV-2011-0948 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- MS11-030 (opens in a new tab)vendor-advisoryx_refsource_MSx_transferred
- 47242 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 71780 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2011-0657)Record last updated .