Skip to main content

.NET CVE-2025-24070

HIGH
Weak Authentication (CWE-1390)
2025-03-11 secure@microsoft.com GHSA-2865-hh9g-w894
High
Disputed · 7.0 NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A07:2025 - Authentication Failures
ASVS 5.0
V6 - Authentication Strong authentication
Impact

CVSS 7.0 (HIGH). Attack vector: Network. Complexity: High. Privileges required: None. User interaction: None. Exploitation no authentication required. Exploitable via remote/network. Public exploit/POC available.

Exploit ScenarioDerived

A remote attacker without authentication could exploit this vulnerability to compromise the affected system.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
Patch available 0.3% exploitation probability (EPSS)

Get an e-mail when this CVE is exploited, patched or re-scored. Free account.

Alert me

AnalysisAIv1 – Mar 12, 2026

Weak authentication in ASP.NET Core & Visual Studio allows an unauthorized attacker to elevate privileges over a network. [CVSS 7.0 HIGH]

RemediationAI

Monitor vendor advisories for a patch. Restrict network access to the affected service where possible.

Affected Packages

nuget microsoft.aspnetcore.app.runtime.linux-arm fix: 8.0.14, 9.0.3
nuget microsoft.aspnetcore.app.runtime.linux-arm64 fix: 8.0.14, 9.0.3
nuget microsoft.aspnetcore.app.runtime.linux-musl-arm fix: 8.0.14, 9.0.3
nuget microsoft.aspnetcore.app.runtime.linux-musl-arm64 fix: 8.0.14, 9.0.3
nuget microsoft.aspnetcore.app.runtime.linux-musl-x64 fix: 8.0.14, 9.0.3
nuget microsoft.aspnetcore.app.runtime.linux-x64 fix: 8.0.14, 9.0.3
nuget microsoft.aspnetcore.app.runtime.osx-arm64 fix: 8.0.14, 9.0.3
nuget microsoft.aspnetcore.app.runtime.osx-x64 fix: 8.0.14, 9.0.3
nuget microsoft.aspnetcore.app.runtime.win-arm fix: 8.0.14, 9.0.3
nuget microsoft.aspnetcore.app.runtime.win-arm64 fix: 8.0.14, 9.0.3
nuget microsoft.aspnetcore.app.runtime.win-x64 fix: 8.0.14, 9.0.3
nuget microsoft.aspnetcore.app.runtime.win-x86 fix: 8.0.14, 9.0.3
nuget microsoft.aspnetcore.identity fix: 2.3.1

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 13 packages in nuget

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

Weak authentication in ASP.NET Core & Visual Studio allows an unauthorized attacker to elevate privileges over a network.

Know when .NET gets its next vulnerability

  • Watch products and get an email when something new is published
  • Check this CVE against your own stack and servers
  • Exploit and PoC references, threat intelligence from 22 sources

No credit card · 7-day full trial

Severity by source

Sources disagree (Low–High)
NVD PRIMARY 7.0 HIGH
AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H
SUSE 3.1 LOW
AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H
Red Hat 7.8 HIGH

vuln.today treats the vendor’s rating as authoritative. A higher third-party CVSS (e.g. CISA-ADP) is shown for transparency but does not drive the headline severity.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
High

Lifecycle Timeline

3
Patch released
Mar 31, 2026 - 21:13 nvd
Patch available
PoC Detected
Jul 02, 2025 - 14:25 vuln.today
Public exploit code
CVE Published
Mar 11, 2025 - 17:16 nvd
HIGH 7.0

DescriptionCVE.org

Weak authentication in ASP.NET Core & Visual Studio allows an unauthorized attacker to elevate privileges over a network.

Executive ViewAI

Why It Matters

CVE-2025-24070 presents moderate security risk rated CVSS 7.0. Exploitation could compromise the security of affected deployments. Proof-of-concept code is publicly available, increasing the risk of exploitation. Organizations should apply vendor updates when available and consider compensating controls in the interim.

Business Impact: Moderate
Compensating Controls

Apply vendor patch. If immediate patching is not feasible: (1) Implement network-level access controls to limit exposure; (2) Enable enhanced monitoring and alerting; (3) Apply principle of least privilege.

Threat Intelligence Overview

EPSS Score
0.3%
Top 45% exploitable
Exploit
POC
Public exploit code exists
Data Quality
4 sources
Confidence: Medium

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC Yes
EPSS 0.3%
Patch available Yes
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

Exploitation· derived
Poc
System Exposure· derived
Open
Automatable· derived
No

Priority Score

55
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +35
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

More in .NET

View all
CVE-2026-87697 HIGH POC
8.8 Oct 13

Remote code execution affects Windows desktop applications built on the Microsoft.WindowsDesktop.App.Runtime (WPF) compo

CVE-2023-7334 CRITICAL POC
9.8 Jan 15

Changjetong T+ (through 16.x) has .NET deserialization RCE in an AjaxPro endpoint. Attacker-controlled JSON triggers des

CVE-2026-75513 CRITICAL POC
9.1 Sep 16

SQL injection (CWE-89) in Marten, the .NET transactional document DB and event store for PostgreSQL, affects versions 7.

CVE-2026-100369 HIGH POC
8.4 Sep 25

Argument injection in the CliInvoke .NET process-wrapping library (and its former identity, AlastairLundy.CliInvoke) all

CVE-2019-25359 HIGH POC
8.2 Feb 18

SD.NET RIM versions before 4.7.3c contain a SQL injection vulnerability that allows attackers to inject malicious SQL st

CVE-2026-25925 HIGH POC
7.8 Feb 09

PowerDocu versions prior to 2.4.0 allow arbitrary .NET object instantiation and code execution through unsafe deserializ

CVE-2026-26282 MEDIUM POC
6.6 Feb 19

NanaZip versions 5.0.1252.0 through 6.0.1629.0 contain an out-of-bounds heap read in the .NET Single File bundle parser

CVE-2026-27709 MEDIUM POC
6.6 Feb 26

Out-of-bounds memory read in NanaZip versions 5.0.1252.0 through 6.0.1637.x allows local authenticated attackers to disc

CVE-2020-37103 MEDIUM POC
6.4 Feb 03

DotNetNuke 9.5 contains a persistent cross-site scripting vulnerability that allows normal users to upload malicious XML

CVE-2026-3263 MEDIUM POC
6.3 Feb 26

Asp.Net-Core-Inventory-Order-Management-System versions up to 9.20250118. contains a security vulnerability (CVSS 6.3).

CVE-2025-54539 CRITICAL
9.8 Oct 16

Remote code execution in the ActiveMQ NMS AMQP .NET client affects all releases up to and including 2.3.0 when the clien

CVE-2026-83520 HIGH
8.8 Oct 13

Remote code execution in .NET WPF (Microsoft.WindowsDesktop.App.Runtime) allows an unauthenticated attacker to execute c

Vendor StatusVendor

SUSE

Severity: Low
Product Status
SUSE Liberty Linux 8 Fixed
SUSE Liberty Linux 9 Fixed

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy