Security readout for executives and security teams
Plain-English summary
This CVE is a denial-of-service flaw in Microsoft .NET and Visual Studio. A remote, unauthenticated attacker could affect service availability, but the provided sources do not describe data theft or code execution. The issue is high severity because availability impact is rated high and official remediation exists.
Executive priority
Prioritize patching in normal high-severity maintenance windows, faster for internet-facing .NET services. The business risk is service disruption, not confirmed compromise, based on the provided evidence.
Technical view
CVE-2022-29117 is tracked as CWE-400 resource consumption with CVSS 3.1 score 7.5. The vector is network, low complexity, no privileges, and no user interaction. It affects listed .NET 3.1, 5.0, 6.0 and Visual Studio 2019/2022 versions. The bundle lacks component-level trigger details.
Likely exposure
Organizations may be exposed where affected .NET runtimes, SDKs, or Visual Studio versions remain installed on servers, developer workstations, or build systems. Internet-facing .NET services deserve priority because the CVSS vector is network-accessible and unauthenticated.
Exploitation context
The source bundle says KEV is false and CVSS exploit code maturity is unproven. No cited source in the bundle supports active exploitation. Treat this as a credible remote availability risk, not as confirmed in-the-wild exploitation.
Researcher notes
Key gaps remain: the bundle does not identify the vulnerable component, request pattern, or reliable detection logic. Validation should focus on product/version exposure and vendor fix status rather than attempting exploit reproduction.
Mitigation direction
- Apply the relevant Microsoft security updates for affected .NET and Visual Studio versions.
- Check MSRC guidance for exact fixed versions and deployment prerequisites.
- Update Fedora-packaged .NET components where Fedora advisories apply.
- Prioritize internet-facing .NET workloads and shared build infrastructure.
- Retest service availability after patching.
Validation and detection
- Inventory installed .NET runtimes, SDKs, and Visual Studio versions.
- Compare inventory against the affected products listed in MSRC and CVE records.
- Confirm patch levels through vendor-supported update mechanisms.
- Identify externally reachable services using affected .NET versions.
- Review monitoring for unexplained availability degradation around exposed .NET services.
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-2022-29117 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 and Visual Studio Denial of Service VulnerabilityCVE reference, microsoft · vendor-advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-29117CVE reference, CVE · x_refsource_MISC, x_transferred
- FEDORA-2022-d69fee9f38CVE reference, CVE · vendor-advisory, x_refsource_FEDORA
- FEDORA-2022-9a1d5ea33cCVE reference, CVE · vendor-advisory, x_refsource_FEDORA
- FEDORA-2022-256d559f0cCVE reference, CVE · vendor-advisory, x_refsource_FEDORA
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.