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Fencer Vulns
high 7.5

CVE-2024-29059 kev in the critical feed json

.NET Framework Information Disclosure Vulnerability

published 2024-03-22 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-26106

cvss
7.5
version 3.1, CNA
cisa kev
Exploited
added 2025-02-04
epss
98.6%
EPSS 98.6% chance of exploitation in 30 days, percentile 99.9%
public exploits
0
none known, plus a Nuclei check

Summary

.NET Framework Information Disclosure Vulnerability

Patch / fix

cisa required action Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

  • Microsoft Microsoft .NET Framework 4.8 4.8.04690.02
  • Microsoft Microsoft .NET Framework 3.5 AND 4.8 4.8.04690.02
  • Microsoft Microsoft .NET Framework 3.5 AND 4.7.2 4.7.04081.03
  • Microsoft Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 4.7.04081.03
  • Microsoft Microsoft .NET Framework 3.5 AND 4.8.1 4.8.09214.01
  • Microsoft Microsoft .NET Framework 4.6.2 4.7.04081.03
  • Microsoft Microsoft .NET Framework 3.5 AND 4.6/4.6.2 10.0.10240.20402
  • Microsoft Microsoft .NET Framework 2.0 Service Pack 2 3.0.50727.8976
  • Microsoft Microsoft .NET Framework 3.0 Service Pack 2 3.0.50727.8976
  • Microsoft Microsoft .NET Framework 3.5 3.0.50727.8976
  • Microsoft Microsoft .NET Framework 3.5.1 3.0.30729.8959

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2024-29059 updated cvss 7.5

dotnet: .NET Framework Information Disclosure Vulnerability

  • Red Hat .NET 6.0 on Red Hat Enterprise Linux rh-dotnet60-dotnet, rh-dotnet60-dotnet-host, rh-dotnet60-dotnet-sdk-6.0, rh-dotnet60-dotnet-hostfxr-6.0, rh-dotnet60-dotnet-runtime-6.0, rh-dotnet60-dotnet-templates-6.0, +6 more Red Hat Enterprise Linux 8 dotnet, dotnet6.0, dotnet7.0, dotnet8.0, dotnet-host, dotnet-sdk-6.0, +30 more Red Hat Enterprise Linux 9 dotnet6.0, dotnet7.0, dotnet8.0, dotnet-host, dotnet-sdk-6.0, dotnet-sdk-7.0, +29 more Red Hat Enterprise Linux 10 dotnet8.0, dotnet-sdk-8.0, dotnet-hostfxr-8.0, dotnet-runtime-8.0, dotnet-sdk-dbg-8.0, dotnet-templates-8.0, +7 more
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Timeline

  1. Published
  2. Added to CISA KEV
  3. CISA SSVC: exploitation active
  4. CISA patch deadline

Known exploited

Added
21 mo ago
Patch by
2025-02-25 (20 mo ago)
Ransomware
Not known
Required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Vendor, product
Microsoft, .NET Framework
CISA name
Microsoft .NET Framework Information Disclosure Vulnerability

ATT&CK techniques

How it is exploited and what it leads to, in MITRE ATT&CK terms.

  • T1068 Exploitation for Privilege Escalation exploitation
  • T1059 Command and Scripting Interpreter primary impact

kev release 2025-07-28, att&ck v16.1. KEV to ATT&CK mappings by the MITRE Center for Threat-Informed Defense (Mappings Explorer, Apache-2.0). © 2026 The MITRE Corporation. This work is reproduced and distributed with the permission of The MITRE Corporation. Terms of use

CISA SSVC

Exploitation
Active, exploited in the wild
Automatable
yes
Technical impact
partial
Assessed
21 mo ago

Exploit prediction

98.62% chance of exploitation in the next 30 days, higher than 99.9% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • Nuclei template .NET Framework - Leaking ObjRefs via HTTP .NET Remoting nuclei detection template

CVSS scores

assigned by version score vector
CNA 3.1 7.5 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 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

  • Microsoft Microsoft .NET Framework 4.8
  • Microsoft Microsoft .NET Framework 3.5 AND 4.8
  • Microsoft Microsoft .NET Framework 3.5 AND 4.7.2
  • Microsoft Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2
  • Microsoft Microsoft .NET Framework 3.5 AND 4.8.1
  • Microsoft Microsoft .NET Framework 4.6.2
  • Microsoft Microsoft .NET Framework 3.5 AND 4.6/4.6.2
  • Microsoft Microsoft .NET Framework 2.0 Service Pack 2
  • Microsoft Microsoft .NET Framework 3.0 Service Pack 2
  • Microsoft Microsoft .NET Framework 3.5
  • Microsoft Microsoft .NET Framework 3.5.1

Classification

Weakness
  • CWE-209 Generation of Error Message Containing Sensitive Information

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.