Security readout for executives and security teams
Plain-English summary
This high-severity flaw could let an unauthenticated remote actor make a vulnerable Windows DHCP Server unavailable. An outage may prevent devices from obtaining or renewing network addresses, disrupting access to business systems. The supplied evidence does not indicate data theft, data modification, or active exploitation.
Executive priority
Prioritize remediation because DHCP availability can affect many users simultaneously and exploitation requires neither credentials nor user interaction. Treat exposed or operationally critical DHCP servers urgently, while recognizing that the cited evidence does not show active exploitation.
Technical view
CVE-2024-30070 is a network-reachable denial-of-service vulnerability in Microsoft Windows DHCP Server. It is classified as CWE-191, integer underflow, and scored 7.5 under CVSS 3.1: low complexity, no privileges or user interaction, with high availability impact but no confidentiality or integrity impact.
Likely exposure
Exposure is limited to listed Windows Server 2012 through 2019 systems operating the DHCP Server service and reachable by potential attackers. Server Core installations are also affected. The bundle does not establish whether every installation is exploitable when the DHCP role is disabled.
Exploitation context
The supplied CVSS vector records proof-of-concept exploit maturity, but the CVE is not listed as KEV. No cited source establishes active exploitation. Network access, low complexity, and no authentication increase concern where untrusted systems can reach the DHCP service.
Researcher notes
The bundle identifies integer underflow but provides no detailed trigger, affected code path, crash signature, or safe reproduction method. Researchers should rely on Microsoft’s advisory and controlled defensive testing. Do not infer remote code execution: the documented impact is availability only.
Mitigation direction
- Inventory listed Windows Server versions running the DHCP Server role.
- Apply the security update specified in Microsoft’s CVE-2024-30070 guidance.
- Prioritize DHCP servers reachable from untrusted or broadly accessible network segments.
- Restrict unnecessary network access to DHCP infrastructure using approved segmentation controls.
- Maintain resilient DHCP capacity and tested service-recovery procedures.
Validation and detection
- Confirm whether each listed server has the DHCP Server role enabled.
- Verify installed update status against Microsoft’s CVE-2024-30070 guidance.
- Review network controls governing access to DHCP servers.
- Monitor DHCP service health, unexpected restarts, outages, and address-assignment failures.
- Confirm redundant DHCP services can sustain operations during a server outage.
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.
CWE-191: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2024-30070 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
- High
- CVSS
- 7.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/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.
SSVC decision data
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:N/I:N/A:H/E:P/RL:O/RC:C3.93.6microsoftVulnerability scoring details
Base CVSS 3.1 score
7.5HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- DHCP Server Service Denial of Service VulnerabilityCVE reference, microsoft · vendor-advisory, patch
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.
Integer Underflow (Wrap or Wraparound)
Integer Underflow (Wrap or Wraparound) represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.