CVE-2025-49147 Vulnerability Analysis & Exploit Details

CVE-2025-49147
Vulnerability Scoring

5.3
/10
Significant Risk

Security assessments indicate that CVE-2025-49147 presents a notable risk, potentially requiring prompt mitigation.

Attack Complexity Details

  • Attack Complexity: Low
    Exploits can be performed without significant complexity or special conditions.
  • Attack Vector: Network
    Vulnerability is exploitable over a network without physical access.
  • Privileges Required: None
    No privileges are required for exploitation.
  • Scope: Unchanged
    Exploit remains within the originally vulnerable component.
  • User Interaction: None
    No user interaction is necessary for exploitation.

CVE-2025-49147 Details

Status: Analyzed

Last updated: 🕜 22 Sep 2025, 13:53 UTC
Originally published on: 🕕 24 Jun 2025, 18:15 UTC

Time between publication and last update: 89 days

CVSS Release: version 3

CVSS3 Source

security-advisories@github.com

CVSS3 Type

Secondary

CVSS3 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CVE-2025-49147 Vulnerability Summary

CVE-2025-49147: Umbraco, a free and open source .NET content management system, has a vulnerability in versions 10.0.0 through 10.8.10 and 13.0.0 through 13.9.1. Via a request to an anonymously authenticated endpoint it's possible to retrieve information about the configured password requirements. The information available is limited but would perhaps give some additional detail useful for someone attempting to brute force derive a user's password. This information was not exposed in Umbraco 7 or 8, nor in 14 or higher versions. The vulnerability is patched in versions 10.8.11 and 13.9.2.

Assessing the Risk of CVE-2025-49147

Access Complexity Graph

The exploitability of CVE-2025-49147 depends on two key factors: attack complexity (the level of effort required to execute an exploit) and privileges required (the access level an attacker needs).

Exploitability Analysis for CVE-2025-49147

With low attack complexity and no required privileges, CVE-2025-49147 is an easy target for cybercriminals. Organizations should prioritize immediate mitigation measures to prevent unauthorized access and data breaches.

Understanding AC and PR

A lower complexity and fewer privilege requirements make exploitation easier. Security teams should evaluate these aspects to determine the urgency of mitigation strategies, such as patch management and access control policies.

Attack Complexity (AC) measures the difficulty in executing an exploit. A high AC means that specific conditions must be met, making an attack more challenging, while a low AC means the vulnerability can be exploited with minimal effort.

Privileges Required (PR) determine the level of system access necessary for an attack. Vulnerabilities requiring no privileges are more accessible to attackers, whereas high privilege requirements limit exploitation to authorized users with elevated access.

CVSS Score Breakdown Chart

Above is the CVSS Sub-score Breakdown for CVE-2025-49147, illustrating how Base, Impact, and Exploitability factors combine to form the overall severity rating. A higher sub-score typically indicates a more severe or easier-to-exploit vulnerability.

CIA Impact Analysis

Below is the Impact Analysis for CVE-2025-49147, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: Low
    CVE-2025-49147 could lead to minor leaks of non-critical information without major privacy breaches.
  • Integrity: None
    CVE-2025-49147 poses no threat to data integrity.
  • Availability: None
    CVE-2025-49147 does not impact system availability.

CVE-2025-49147 References

External References

CWE Common Weakness Enumeration

CWE-497

CAPEC Common Attack Pattern Enumeration and Classification

  • Web Application Fingerprinting CAPEC-170 An attacker sends a series of probes to a web application in order to elicit version-dependent and type-dependent behavior that assists in identifying the target. An attacker could learn information such as software versions, error pages, and response headers, variations in implementations of the HTTP protocol, directory structures, and other similar information about the targeted service. This information can then be used by an attacker to formulate a targeted attack plan. While web application fingerprinting is not intended to be damaging (although certain activities, such as network scans, can sometimes cause disruptions to vulnerable applications inadvertently) it may often pave the way for more damaging attacks.
  • System Location Discovery CAPEC-694 An adversary collects information about the target system in an attempt to identify the system's geographical location. Information gathered could include keyboard layout, system language, and timezone. This information may benefit an adversary in confirming the desired target and/or tailoring further attacks.

Vulnerable Configurations

  • cpe:2.3:a:umbraco:umbraco_cms:10.0.0:-:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:10.0.0:-:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:10.0.0:rc1:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:10.0.0:rc1:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:10.0.0:rc2:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:10.0.0:rc2:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:10.0.0:rc3:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:10.0.0:rc3:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:10.0.0:rc4:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:10.0.0:rc4:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:10.0.0:rc5:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:10.0.0:rc5:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:10.0.1:*:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:10.0.1:*:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:10.1.0:-:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:10.1.0:-:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:10.1.0:rc:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:10.1.0:rc:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:10.1.0:rc2:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:10.1.0:rc2:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:10.1.1:*:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:10.1.1:*:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:10.2.0:-:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:10.2.0:-:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:10.2.0:rc:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:10.2.0:rc:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:10.2.1:*:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:10.2.1:*:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:10.3.0:-:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:10.3.0:-:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:10.3.0:rc:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:10.3.0:rc:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:10.3.1:*:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:10.3.1:*:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:10.3.2:*:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:10.3.2:*:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:10.4.0:-:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:10.4.0:-:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:10.4.0:rc1:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:10.4.0:rc1:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:10.4.1:*:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:10.4.1:*:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:10.4.2:*:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:10.4.2:*:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:10.5.0:-:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:10.5.0:-:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:10.5.0:rc:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:10.5.0:rc:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:10.5.1:*:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:10.5.1:*:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:10.6.0:-:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:10.6.0:-:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:10.6.0:rc:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:10.6.0:rc:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:10.6.1:*:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:10.6.1:*:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:10.7.0:*:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:10.7.0:*:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:10.8.0:-:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:10.8.0:-:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:10.8.0:rc:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:10.8.0:rc:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:10.8.1:*:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:10.8.1:*:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:10.8.2:*:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:10.8.2:*:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:10.8.3:*:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:10.8.3:*:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:10.8.4:*:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:10.8.4:*:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:10.8.5:*:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:10.8.5:*:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:10.8.6:*:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:10.8.6:*:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:10.8.7:*:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:10.8.7:*:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:10.8.8:*:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:10.8.8:*:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:10.8.9:*:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:10.8.9:*:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:10.8.10:*:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:10.8.10:*:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:13.0.0:-:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:13.0.0:-:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:13.0.0:rc1:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:13.0.0:rc1:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:13.0.0:rc2:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:13.0.0:rc2:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:13.0.0:rc3:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:13.0.0:rc3:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:13.0.0:rc4:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:13.0.0:rc4:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:13.0.0:rc5:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:13.0.0:rc5:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:13.0.1:*:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:13.0.1:*:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:13.0.2:*:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:13.0.2:*:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:13.0.3:*:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:13.0.3:*:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:13.1.0:-:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:13.1.0:-:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:13.1.0:rc:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:13.1.0:rc:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:13.1.1:*:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:13.1.1:*:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:13.2.0:-:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:13.2.0:-:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:13.2.0:rc:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:13.2.0:rc:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:13.2.1:*:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:13.2.1:*:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:13.2.2:*:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:13.2.2:*:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:13.3.0:-:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:13.3.0:-:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:13.3.0:rc:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:13.3.0:rc:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:13.3.1:*:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:13.3.1:*:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:13.3.2:*:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:13.3.2:*:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:13.4.0:-:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:13.4.0:-:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:13.4.0:rc:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:13.4.0:rc:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:13.4.0:rc2:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:13.4.0:rc2:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:13.4.1:*:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:13.4.1:*:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:13.5.2:*:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:13.5.2:*:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:13.5.3:*:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:13.5.3:*:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:13.6.0:-:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:13.6.0:-:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:13.6.0:rc:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:13.6.0:rc:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:13.6.0:rc2:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:13.6.0:rc2:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:13.7.0:-:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:13.7.0:-:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:13.7.0:rc:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:13.7.0:rc:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:13.7.1:*:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:13.7.1:*:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:13.7.2:*:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:13.7.2:*:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:13.8.0:-:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:13.8.0:-:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:13.8.0:rc:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:13.8.0:rc:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:13.8.1:*:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:13.8.1:*:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:13.9.0:-:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:13.9.0:-:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:13.9.0:rc:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:13.9.0:rc:*:*:*:*:*:*
  • cpe:2.3:a:umbraco:umbraco_cms:13.9.1:*:*:*:*:*:*:*
    cpe:2.3:a:umbraco:umbraco_cms:13.9.1:*:*:*:*:*:*:*

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