Security readout for executives and security teams
Plain-English summary
CVE-2023-38180 can let a remote, unauthenticated attacker exhaust resources in affected Microsoft .NET, ASP.NET Core, or Visual Studio software, disrupting availability. It does not indicate data theft or modification. CISA KEV inclusion means exploitation has been observed, so reachable production services deserve urgent attention.
Executive priority
Treat as an urgent availability risk. Assign immediate ownership, identify exposed production workloads, and apply vendor updates promptly. Prioritize critical customer-facing or operational services because successful exploitation may cause outages, even though the supplied evidence indicates no direct confidentiality or integrity impact.
Technical view
This is a CWE-400 resource-consumption denial-of-service vulnerability with CVSS 3.1 score 7.5. The supplied vector indicates network access, low complexity, no privileges, no user interaction, and high availability impact without confidentiality or integrity impact. Microsoft identifies affected .NET 6.0, .NET 7.0, ASP.NET Core, and Visual Studio 2022 releases.
Likely exposure
Risk is highest for network-reachable services using affected .NET or ASP.NET Core components because the attack requires neither authentication nor user interaction. Visual Studio installations listed in the bundle also require review. The supplied affected-version data may not describe complete ranges, so confirm exact exposure against Microsoft's advisory.
Exploitation context
The source bundle marks this CVE as present in CISA's Known Exploited Vulnerabilities catalog, supporting active exploitation. It also reports exploit maturity as proof-of-concept. No campaign details, indicators, attack scale, or affected deployment patterns are provided, so broader exploitation characteristics remain unknown.
Researcher notes
The bundle identifies CWE-400 and a remotely reachable, unauthenticated denial-of-service condition. It does not describe the malformed input, vulnerable code path, indicators, or fixed version numbers. The ASP.NET Core entry pairs product 2.1 with version 2.0, an apparent inconsistency requiring confirmation against Microsoft's authoritative affected-product matrix.
Mitigation direction
- Apply the applicable Microsoft security updates identified in the vendor advisory.
- Prioritize network-reachable production services using affected .NET or ASP.NET Core components.
- Update affected Visual Studio 2022 installations through supported Microsoft servicing channels.
- Where immediate updating is impossible, reduce untrusted network reachability and monitor resource exhaustion.
- Check Microsoft guidance for any product-specific mitigations or revised affected-version information.
Validation and detection
- Inventory deployed .NET, ASP.NET Core, and Visual Studio versions across servers and developer systems.
- Compare installed versions and update levels with Microsoft's CVE advisory.
- Confirm security updates installed successfully and restart components where vendor guidance requires it.
- Test exposed services for normal availability and stable resource consumption after remediation.
- Review monitoring data for unexplained CPU, memory, connection, or service-availability spikes.
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-2023-38180 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
- Yes
- 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.
CISA KEV status
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.
- Added to KEVCISA-ADP
CISA Known Exploited Vulnerabilities metadata lists this CVE as known exploited.
- ADP timelineCISA-ADP
CVE-2023-38180 added to CISA KEV
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
- 2023-08-09T00:00:00.000Z: CVE-2023-38180 added to CISA KEV
Source materials
- CVE List V5 sourceCVE List V5
- .NET and Visual Studio Denial of Service VulnerabilityCVE reference, microsoft · vendor-advisory, patch
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-38180CVE reference, CISA-ADP · government-resource
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CL2L4WE5QRT7WEXANYXSKSU43APC5N2V/CVE reference, CVE · x_transferred
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NWVZFKTLNMNKPZ755EMRYIA6GHFOWGKY/CVE reference, CVE · 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.