Security readout for executives and security teams
Plain-English summary
CVE-2022-30214 is a remote code execution flaw in Microsoft Windows DNS Server. It is rated medium because exploitation requires network access plus high privileges and high complexity, but a successful attack could fully compromise confidentiality, integrity, and availability on an affected DNS server.
Executive priority
Treat as a moderate-priority infrastructure patching item, with higher urgency for domain controllers or critical DNS servers. The business risk is not broad internet wormability from the supplied evidence, but compromise of DNS infrastructure can disrupt authentication, routing, and service availability.
Technical view
The CVSS 3.1 score is 6.6 with AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H. Microsoft lists affected Windows Server 2016, 2019, 2022, Server Core variants, and Windows Server version 20H2. The source bundle does not include CWE, root cause, or exploit mechanics.
Likely exposure
Exposure is most likely where affected Windows Server systems run the DNS Server role, including internal DNS infrastructure and domain-controller-hosted DNS. Systems not running Windows DNS Server are not established as affected by the supplied sources.
Exploitation context
The bundle does not show CISA KEV listing or active exploitation evidence. CVSS marks exploit maturity as unproven. Exploitation is constrained by high attack complexity and high privileges, but post-compromise impact could be severe.
Researcher notes
Evidence is limited to CVE and MSRC metadata. No CWE, vulnerable function, proof of concept, or exploitation details are provided. Avoid assumptions beyond Windows DNS Server on listed Windows Server versions and validate through patch state and role inventory.
Mitigation direction
- Apply Microsoft guidance and security updates for CVE-2022-30214.
- Prioritize Windows DNS Server hosts and domain controllers first.
- Limit administrative access to DNS servers to trusted operators.
- Review exposure of DNS services on network boundaries.
- Monitor Microsoft advisory updates for revised affected versions or guidance.
Validation and detection
- Inventory Windows Server DNS hosts and compare versions to Microsoft affected products.
- Confirm July 2022 or later relevant Microsoft updates are installed.
- Check whether Server Core installations are included in patch coverage.
- Verify privileged DNS administration paths are restricted and logged.
- Review vulnerability scanner findings against MSRC CVE-2022-30214 data.
Public sources used
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
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
Execution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2022-30214 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 6.6 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
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:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C0.75.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.6MediumVector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Source materials
- CVE List V5 sourceCVE List V5
- Windows DNS Server Remote Code Execution VulnerabilityCVE reference · vendor-advisory
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.