Security readout for executives and security teams
Plain-English summary
This is a high-severity Microsoft .NET Framework information disclosure issue. An unauthenticated network attacker could cause affected systems to reveal sensitive information. CISA lists CVE-2024-29059 in KEV, so treat it as actively exploited and prioritize remediation on exposed Windows workloads.
Executive priority
High priority. KEV listing changes this from routine patching to confirmed exploitation risk. Focus on exposed Windows systems and critical services first, then complete enterprise-wide patch validation.
Technical view
CVE-2024-29059 is a CWE-209 information disclosure vulnerability in multiple Microsoft .NET Framework versions. CVSS 3.1 is 7.5: network attack vector, low complexity, no privileges, no user interaction, high confidentiality impact, and no integrity or availability impact. Microsoft indicates an official remediation is available.
Likely exposure
Exposure is most likely on Windows systems running affected .NET Framework versions, including 2.0 SP2, 3.0 SP2, 3.5/3.5.1, 4.6.x, 4.7.x, 4.8, or 4.8.1. Network-reachable applications using those runtimes deserve first review.
Exploitation context
CISA KEV status supports active exploitation. The provided sources do not describe exploit mechanics, affected application patterns, or public exploit code. The CVSS vector indicates remote, unauthenticated exploitation without user interaction and confidentiality-only impact.
Researcher notes
The sources confirm product impact, CVSS characteristics, CWE-209 classification, remediation availability, and KEV status. They do not provide root-cause detail, proof-of-concept behavior, telemetry indicators, or application-specific exploit prerequisites.
Mitigation direction
- Apply Microsoft security updates for the affected .NET Framework and Windows combinations.
- Prioritize internet-facing and business-critical Windows systems using affected .NET Framework versions.
- Use Microsoft guidance for exact KBs and platform-specific update requirements.
- Reduce unnecessary network exposure for vulnerable .NET Framework applications until patched.
- Track remediation against CISA KEV expectations where applicable.
Validation and detection
- Inventory installed .NET Framework versions across Windows servers and endpoints.
- Compare findings with Microsoft’s affected product list for CVE-2024-29059.
- Verify the relevant Microsoft security update is installed on each affected system.
- Confirm vulnerable systems are not externally exposed while remediation is pending.
- Document exceptions with owner, compensating controls, and target remediation date.
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-209: Information exposure and cloud metadata lookup
Information exposure and SSRF weaknesses can make discovery, cloud metadata, and credential material review relevant. 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-2024-29059 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:H/I:N/A:N/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.
CISA KEV status
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:H/I:N/A:N/E:U/RL:O/RC:C3.93.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.5HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C
Source materials
- CVE List V5 sourceCVE List V5
- .NET Framework Information Disclosure VulnerabilityCVE reference · vendor-advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-29059CVE reference · government-resource
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.
Generation of Error Message Containing Sensitive Information
Generation of Error Message Containing Sensitive Information represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.