CVE-2020-9280 Vulnerability Analysis & Exploit Details

CVE-2020-9280
Vulnerability Scoring

7.5
/10
Very High Risk

Highly exploitable, CVE-2020-9280 poses a critical security risk that could lead to severe breaches.

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-2020-9280 Details

Status: Modified

Last updated: 🕠 21 Nov 2024, 05:40 UTC
Originally published on: 🕘 15 Apr 2020, 21:15 UTC

Time between publication and last update: 1680 days

CVSS Release: version 3

CVSS3 Source

nvd@nist.gov

CVSS3 Type

Primary

CVSS3 Vector

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

CVE-2020-9280 Vulnerability Summary

CVE-2020-9280: In SilverStripe through 4.5, files uploaded via Forms to folders migrated from Silverstripe CMS 3.x may be put to the default "/Uploads" folder instead. This affects installations which allowed upload folder protection via the optional silverstripe/secureassets module under 3.x. This module is installed and enabled by default on the Common Web Platform (CWP). The vulnerability only affects files uploaded after an upgrade to 4.x.

Assessing the Risk of CVE-2020-9280

Access Complexity Graph

The exploitability of CVE-2020-9280 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-2020-9280

With low attack complexity and no required privileges, CVE-2020-9280 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-2020-9280, 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-2020-9280, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: High
    Exploiting CVE-2020-9280 can result in unauthorized access to sensitive data, severely compromising data privacy.
  • Integrity: None
    CVE-2020-9280 poses no threat to data integrity.
  • Availability: None
    CVE-2020-9280 does not impact system availability.

Exploit Prediction Scoring System (EPSS)

The EPSS score estimates the probability that this vulnerability will be exploited in the near future.

EPSS Score: 0.232% (probability of exploit)

EPSS Percentile: 61.78% (lower percentile = lower relative risk)
This vulnerability is less risky than approximately 38.22% of others.

CVE-2020-9280 References

External References

CWE Common Weakness Enumeration

CWE-434

CAPEC Common Attack Pattern Enumeration and Classification

  • Accessing Functionality Not Properly Constrained by ACLs CAPEC-1 In applications, particularly web applications, access to functionality is mitigated by an authorization framework. This framework maps Access Control Lists (ACLs) to elements of the application's functionality; particularly URL's for web apps. In the case that the administrator failed to specify an ACL for a particular element, an attacker may be able to access it with impunity. An attacker with the ability to access functionality not properly constrained by ACLs can obtain sensitive information and possibly compromise the entire application. Such an attacker can access resources that must be available only to users at a higher privilege level, can access management sections of the application, or can run queries for data that they otherwise not supposed to.

Vulnerable Configurations

  • cpe:2.3:a:silverstripe:silverstripe:4.0.0:-:*:*:*:*:*:*
    cpe:2.3:a:silverstripe:silverstripe:4.0.0:-:*:*:*:*:*:*
  • cpe:2.3:a:silverstripe:silverstripe:4.0.0:rc1:*:*:*:*:*:*
    cpe:2.3:a:silverstripe:silverstripe:4.0.0:rc1:*:*:*:*:*:*
  • cpe:2.3:a:silverstripe:silverstripe:4.0.0:rc2:*:*:*:*:*:*
    cpe:2.3:a:silverstripe:silverstripe:4.0.0:rc2:*:*:*:*:*:*
  • cpe:2.3:a:silverstripe:silverstripe:4.0.0:rc3:*:*:*:*:*:*
    cpe:2.3:a:silverstripe:silverstripe:4.0.0:rc3:*:*:*:*:*:*
  • cpe:2.3:a:silverstripe:silverstripe:4.0.0:beta1:*:*:*:*:*:*
    cpe:2.3:a:silverstripe:silverstripe:4.0.0:beta1:*:*:*:*:*:*
  • cpe:2.3:a:silverstripe:silverstripe:4.0.0:beta2:*:*:*:*:*:*
    cpe:2.3:a:silverstripe:silverstripe:4.0.0:beta2:*:*:*:*:*:*
  • cpe:2.3:a:silverstripe:silverstripe:4.0.0:beta3:*:*:*:*:*:*
    cpe:2.3:a:silverstripe:silverstripe:4.0.0:beta3:*:*:*:*:*:*
  • cpe:2.3:a:silverstripe:silverstripe:4.0.0:beta4:*:*:*:*:*:*
    cpe:2.3:a:silverstripe:silverstripe:4.0.0:beta4:*:*:*:*:*:*
  • cpe:2.3:a:silverstripe:silverstripe:4.0.0:alpha1:*:*:*:*:*:*
    cpe:2.3:a:silverstripe:silverstripe:4.0.0:alpha1:*:*:*:*:*:*
  • cpe:2.3:a:silverstripe:silverstripe:4.0.0:alpha2:*:*:*:*:*:*
    cpe:2.3:a:silverstripe:silverstripe:4.0.0:alpha2:*:*:*:*:*:*
  • cpe:2.3:a:silverstripe:silverstripe:4.0.0:alpha3:*:*:*:*:*:*
    cpe:2.3:a:silverstripe:silverstripe:4.0.0:alpha3:*:*:*:*:*:*
  • cpe:2.3:a:silverstripe:silverstripe:4.0.0:alpha4:*:*:*:*:*:*
    cpe:2.3:a:silverstripe:silverstripe:4.0.0:alpha4:*:*:*:*:*:*
  • cpe:2.3:a:silverstripe:silverstripe:4.0.0:alpha5:*:*:*:*:*:*
    cpe:2.3:a:silverstripe:silverstripe:4.0.0:alpha5:*:*:*:*:*:*
  • cpe:2.3:a:silverstripe:silverstripe:4.0.0:alpha6:*:*:*:*:*:*
    cpe:2.3:a:silverstripe:silverstripe:4.0.0:alpha6:*:*:*:*:*:*
  • cpe:2.3:a:silverstripe:silverstripe:4.0.0:alpha7:*:*:*:*:*:*
    cpe:2.3:a:silverstripe:silverstripe:4.0.0:alpha7:*:*:*:*:*:*
  • cpe:2.3:a:silverstripe:silverstripe:4.0.1:-:*:*:*:*:*:*
    cpe:2.3:a:silverstripe:silverstripe:4.0.1:-:*:*:*:*:*:*
  • cpe:2.3:a:silverstripe:silverstripe:4.0.1:rc1:*:*:*:*:*:*
    cpe:2.3:a:silverstripe:silverstripe:4.0.1:rc1:*:*:*:*:*:*
  • cpe:2.3:a:silverstripe:silverstripe:4.0.2:*:*:*:*:*:*:*
    cpe:2.3:a:silverstripe:silverstripe:4.0.2:*:*:*:*:*:*:*
  • cpe:2.3:a:silverstripe:silverstripe:4.0.3:*:*:*:*:*:*:*
    cpe:2.3:a:silverstripe:silverstripe:4.0.3:*:*:*:*:*:*:*
  • cpe:2.3:a:silverstripe:silverstripe:4.0.4:*:*:*:*:*:*:*
    cpe:2.3:a:silverstripe:silverstripe:4.0.4:*:*:*:*:*:*:*
  • cpe:2.3:a:silverstripe:silverstripe:4.0.5:*:*:*:*:*:*:*
    cpe:2.3:a:silverstripe:silverstripe:4.0.5:*:*:*:*:*:*:*
  • cpe:2.3:a:silverstripe:silverstripe:4.0.6:*:*:*:*:*:*:*
    cpe:2.3:a:silverstripe:silverstripe:4.0.6:*:*:*:*:*:*:*
  • cpe:2.3:a:silverstripe:silverstripe:4.0.7:*:*:*:*:*:*:*
    cpe:2.3:a:silverstripe:silverstripe:4.0.7:*:*:*:*:*:*:*
  • cpe:2.3:a:silverstripe:silverstripe:4.1.0:*:*:*:*:*:*:*
    cpe:2.3:a:silverstripe:silverstripe:4.1.0:*:*:*:*:*:*:*
  • cpe:2.3:a:silverstripe:silverstripe:4.1.0:-:*:*:*:*:*:*
    cpe:2.3:a:silverstripe:silverstripe:4.1.0:-:*:*:*:*:*:*
  • cpe:2.3:a:silverstripe:silverstripe:4.1.0:rc1:*:*:*:*:*:*
    cpe:2.3:a:silverstripe:silverstripe:4.1.0:rc1:*:*:*:*:*:*
  • cpe:2.3:a:silverstripe:silverstripe:4.1.0:rc2:*:*:*:*:*:*
    cpe:2.3:a:silverstripe:silverstripe:4.1.0:rc2:*:*:*:*:*:*
  • cpe:2.3:a:silverstripe:silverstripe:4.1.1:*:*:*:*:*:*:*
    cpe:2.3:a:silverstripe:silverstripe:4.1.1:*:*:*:*:*:*:*
  • cpe:2.3:a:silverstripe:silverstripe:4.1.2:*:*:*:*:*:*:*
    cpe:2.3:a:silverstripe:silverstripe:4.1.2:*:*:*:*:*:*:*
  • cpe:2.3:a:silverstripe:silverstripe:4.1.3:*:*:*:*:*:*:*
    cpe:2.3:a:silverstripe:silverstripe:4.1.3:*:*:*:*:*:*:*
  • cpe:2.3:a:silverstripe:silverstripe:4.1.4:*:*:*:*:*:*:*
    cpe:2.3:a:silverstripe:silverstripe:4.1.4:*:*:*:*:*:*:*
  • cpe:2.3:a:silverstripe:silverstripe:4.1.5:*:*:*:*:*:*:*
    cpe:2.3:a:silverstripe:silverstripe:4.1.5:*:*:*:*:*:*:*
  • cpe:2.3:a:silverstripe:silverstripe:4.2.0:*:*:*:*:*:*:*
    cpe:2.3:a:silverstripe:silverstripe:4.2.0:*:*:*:*:*:*:*
  • cpe:2.3:a:silverstripe:silverstripe:4.2.0:-:*:*:*:*:*:*
    cpe:2.3:a:silverstripe:silverstripe:4.2.0:-:*:*:*:*:*:*
  • cpe:2.3:a:silverstripe:silverstripe:4.2.0:beta1:*:*:*:*:*:*
    cpe:2.3:a:silverstripe:silverstripe:4.2.0:beta1:*:*:*:*:*:*
  • cpe:2.3:a:silverstripe:silverstripe:4.2.1:*:*:*:*:*:*:*
    cpe:2.3:a:silverstripe:silverstripe:4.2.1:*:*:*:*:*:*:*
  • cpe:2.3:a:silverstripe:silverstripe:4.2.2:*:*:*:*:*:*:*
    cpe:2.3:a:silverstripe:silverstripe:4.2.2:*:*:*:*:*:*:*
  • cpe:2.3:a:silverstripe:silverstripe:4.2.3:*:*:*:*:*:*:*
    cpe:2.3:a:silverstripe:silverstripe:4.2.3:*:*:*:*:*:*:*
  • cpe:2.3:a:silverstripe:silverstripe:4.2.4:*:*:*:*:*:*:*
    cpe:2.3:a:silverstripe:silverstripe:4.2.4:*:*:*:*:*:*:*
  • cpe:2.3:a:silverstripe:silverstripe:4.2.5:*:*:*:*:*:*:*
    cpe:2.3:a:silverstripe:silverstripe:4.2.5:*:*:*:*:*:*:*
  • cpe:2.3:a:silverstripe:silverstripe:4.3.0:*:*:*:*:*:*:*
    cpe:2.3:a:silverstripe:silverstripe:4.3.0:*:*:*:*:*:*:*
  • cpe:2.3:a:silverstripe:silverstripe:4.3.0:-:*:*:*:*:*:*
    cpe:2.3:a:silverstripe:silverstripe:4.3.0:-:*:*:*:*:*:*
  • cpe:2.3:a:silverstripe:silverstripe:4.3.0:rc1:*:*:*:*:*:*
    cpe:2.3:a:silverstripe:silverstripe:4.3.0:rc1:*:*:*:*:*:*
  • cpe:2.3:a:silverstripe:silverstripe:4.3.1:*:*:*:*:*:*:*
    cpe:2.3:a:silverstripe:silverstripe:4.3.1:*:*:*:*:*:*:*
  • cpe:2.3:a:silverstripe:silverstripe:4.3.2:*:*:*:*:*:*:*
    cpe:2.3:a:silverstripe:silverstripe:4.3.2:*:*:*:*:*:*:*
  • cpe:2.3:a:silverstripe:silverstripe:4.3.3:*:*:*:*:*:*:*
    cpe:2.3:a:silverstripe:silverstripe:4.3.3:*:*:*:*:*:*:*
  • cpe:2.3:a:silverstripe:silverstripe:4.3.4:*:*:*:*:*:*:*
    cpe:2.3:a:silverstripe:silverstripe:4.3.4:*:*:*:*:*:*:*
  • cpe:2.3:a:silverstripe:silverstripe:4.3.5:*:*:*:*:*:*:*
    cpe:2.3:a:silverstripe:silverstripe:4.3.5:*:*:*:*:*:*:*
  • cpe:2.3:a:silverstripe:silverstripe:4.4.0:*:*:*:*:*:*:*
    cpe:2.3:a:silverstripe:silverstripe:4.4.0:*:*:*:*:*:*:*
  • cpe:2.3:a:silverstripe:silverstripe:4.4.0:-:*:*:*:*:*:*
    cpe:2.3:a:silverstripe:silverstripe:4.4.0:-:*:*:*:*:*:*
  • cpe:2.3:a:silverstripe:silverstripe:4.4.0:rc1:*:*:*:*:*:*
    cpe:2.3:a:silverstripe:silverstripe:4.4.0:rc1:*:*:*:*:*:*
  • cpe:2.3:a:silverstripe:silverstripe:4.4.1:*:*:*:*:*:*:*
    cpe:2.3:a:silverstripe:silverstripe:4.4.1:*:*:*:*:*:*:*
  • cpe:2.3:a:silverstripe:silverstripe:4.4.2:*:*:*:*:*:*:*
    cpe:2.3:a:silverstripe:silverstripe:4.4.2:*:*:*:*:*:*:*
  • cpe:2.3:a:silverstripe:silverstripe:4.4.3:*:*:*:*:*:*:*
    cpe:2.3:a:silverstripe:silverstripe:4.4.3:*:*:*:*:*:*:*
  • cpe:2.3:a:silverstripe:silverstripe:4.4.4:*:*:*:*:*:*:*
    cpe:2.3:a:silverstripe:silverstripe:4.4.4:*:*:*:*:*:*:*
  • cpe:2.3:a:silverstripe:silverstripe:4.4.5:*:*:*:*:*:*:*
    cpe:2.3:a:silverstripe:silverstripe:4.4.5:*:*:*:*:*:*:*
  • cpe:2.3:a:silverstripe:silverstripe:4.4.6:*:*:*:*:*:*:*
    cpe:2.3:a:silverstripe:silverstripe:4.4.6:*:*:*:*:*:*:*
  • cpe:2.3:a:silverstripe:silverstripe:4.4.7:*:*:*:*:*:*:*
    cpe:2.3:a:silverstripe:silverstripe:4.4.7:*:*:*:*:*:*:*
  • cpe:2.3:a:silverstripe:silverstripe:4.5.0:-:*:*:*:*:*:*
    cpe:2.3:a:silverstripe:silverstripe:4.5.0:-:*:*:*:*:*:*

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