Security readout for executives and security teams
This is a critical legacy Windows DNS client flaw. A specially crafted DNS-related query could let an unauthenticated remote attacker run code on affected systems. The highest concern is any remaining Windows XP, Server 2003, Vista, Server 2008, or early Windows 7 estate that lacks Microsoft’s MS11-030 update. Exposure is most likely in unmanaged, embedded, lab, OT, or legacy business systems still running the listed Windows versions without MS11-030. Modern supported Windows versions are not named in the provided affected list. Treat this as urgent only where affected legacy Windows remains. The vulnerability is severe, but business priority depends on whether those old platforms still exist and whether MS11-030 is missing. Mitigation focus: Apply Microsoft guidance and updates from MS11-030 where applicable.; Inventory and remove unsupported affected Windows versions from production networks.; Use authenticated vulnerability scanning, including the referenced OVAL definition where suitable..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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Execution behavior lookup
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Open ATT&CK lookupCVE-2011-0657 mapping review
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Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
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CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- oval:org.mitre.oval:def:11902CVE reference · vdb-entry, signature
- MS11-030CVE reference · vendor-advisory, x_refsource_MS
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.