Security readout for executives and security teams
Plain-English summary
CVE-2022-38013 is a high-severity denial-of-service issue affecting listed Microsoft .NET Core, .NET 6.0, and Visual Studio versions. Successful exploitation could make affected services or developer tooling unavailable. The source bundle does not provide the underlying trigger details, so urgency should be based on exposure and vendor update status.
Executive priority
Prioritize remediation for exposed .NET services and build environments because this issue can affect availability without authentication. It is not currently supported by KEV evidence for active exploitation in the provided sources.
Technical view
The CVSS 3.1 vector is network-exploitable, low complexity, unauthenticated, and requires no user interaction, with high availability impact only. The weakness is CWE-400, uncontrolled resource consumption. Sources identify official remediation availability, but do not describe exploit mechanics or a vulnerable code path.
Likely exposure
Exposure is most likely where affected .NET runtimes, SDKs, or Visual Studio versions remain installed, especially on systems supporting network-facing .NET workloads. Developer workstations may also be in scope through Visual Studio versions listed by Microsoft.
Exploitation context
The bundle marks KEV as false and CVSS exploit maturity as unproven. No provided source confirms active exploitation. Treat this as a credible denial-of-service risk because the CVSS vector indicates unauthenticated network reachability and high availability impact.
Researcher notes
The source bundle does not include exploit details, affected APIs, or precise package versions beyond product families and version lines. Validation should remain version-based and advisory-based. Avoid assuming code-level reachability without vendor or internal evidence.
Mitigation direction
- Inventory systems for affected .NET Core, .NET 6.0, and Visual Studio versions.
- Apply Microsoft guidance and official updates for CVE-2022-38013.
- Apply referenced Fedora package updates where Fedora-managed packages are used.
- Prioritize internet-facing .NET services and shared developer build hosts.
- Monitor affected services for resource exhaustion and availability degradation.
Validation and detection
- Compare installed product versions against the affected list in the advisory.
- Confirm update status using Microsoft or Fedora vendor guidance.
- Review service telemetry for abnormal CPU, memory, or request failure spikes.
- Validate exposed .NET applications remain stable after updates.
- Document any systems deferred from remediation and the business owner.
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-400: 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-2022-38013 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: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.
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:U/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:U/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
- .NET Core and Visual Studio Denial of Service VulnerabilityCVE reference, microsoft · vendor-advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-38013CVE reference, CVE · x_transferred
- FEDORA-2022-980d492c98CVE reference, CVE · vendor-advisory, x_transferred
- FEDORA-2022-847c67b3cdCVE reference, CVE · vendor-advisory, x_transferred
- FEDORA-2022-d80b1d2827CVE reference, CVE · vendor-advisory, x_transferred
- FEDORA-2022-34a610d9bfCVE reference, CVE · vendor-advisory, x_transferred
- FEDORA-2022-13046bb867CVE reference, CVE · vendor-advisory, x_transferred
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.
Uncontrolled Resource Consumption
Uncontrolled Resource Consumption represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.