CVE-2020-13241: Microweber/microweber Microweber Allows Unrestricted File Upload Vulnerability

HIGH
Advisory Identifier: GHSA-89fp-j8v7-p82h
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CVSS 7.8
CWE-434
Published
Advisory Summary

CVE-2020-13241 is a HIGH (CVSS 7.8) microweber allows unrestricted file upload vulnerability (CWE-434: Unrestricted Upload of File with Dangerous Type) affecting Microweber/microweber libraries in the Packagist ecosystem. The issue involves microweber allows unrestricted file upload. Remediation is available in the latest vendor maintenance releases.

CVE-2020-13241 at a Glance

CVE Identifier CVE-2020-13241
GHSA Identifier GHSA-89fp-j8v7-p82h
Severity HIGH
CVSS v3.1 Base Score 7.8
CWE Classification CWE-434: Unrestricted Upload of File with Dangerous Type
Affected Product Microweber/microweber
Package Ecosystem Packagist
Published Date
Last Updated

Security Impact

CVSS: 7.8

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).

Attack Vector Local (AV:L)
Attack Complexity Low (AC:L)
Privileges Required Low (PR:L)
User Interaction None (UI:N)
Scope Unchanged (S:U)
Confidentiality High (C:H)
Integrity High (I:H)
Availability High (A:H)

How to Fix CVE-2020-13241

To remediate this vulnerability, upgrade all affected Microweber/microweber dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

microweber/microweber fixed: Latest secure release 
Upgrade microweber/microweber to Latest secure release
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

inspect dependencies for microweber/microweber

How to Check if You Are Affected

To determine whether your application is affected by CVE-2020-13241, inspect your project dependencies for Microweber/microweber:

inspect dependencies for microweber/microweber

Analyze the terminal output to locate any version of Microweber/microweber in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than the patched release), your application is affected.

Note: Verify declared build manifests and deployed runtime container environments.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-434: Unrestricted Upload of File with Dangerous Type, where the product allows the upload or transfer of dangerous file types that are automatically processed within its environment. In Microweber/microweber, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

Microweber 1.1.18 allows Unrestricted File Upload because `admin/view:modules/load_module:users#edit-user=1` does not verify that the file extension (used with the Add Image option on the Edit User screen) corresponds to an image file.

CVE-2020-13241 Affected Microweber/microweber Versions

1 component(s)
Product / Package Ecosystem Affected Versions Fixed Version
microweber/microweber
 Packagist
≤ 1.1.18

References

NVD — CVE-2020-13241 NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-13241
Microweber/microweber Source Repository REPOSITORY
https://gist.github.com/virendratiwari03/0af29841fdf27207eb3abc8f28d326f3
Microweber/microweber Source Repository REPOSITORY
https://github.com/microweber/microweber

Frequently Asked Questions

What is CVE-2020-13241?
CVE-2020-13241 is a security vulnerability in Microweber/microweber involving Microweber allows Unrestricted File Upload under CWE-434: Unrestricted Upload of File with Dangerous Type.
Which Microweber/microweber versions are affected?
Affected versions include releases prior to current release patches across affected packages: microweber/microweber.
What version fixes CVE-2020-13241?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
Is microweber/microweber affected?
Yes, microweber/microweber is affected in releases prior to Latest secure release. Upgrade your dependency to Latest secure release or later.
What is the CVSS score of CVE-2020-13241?
CVE-2020-13241 has a CVSS v3.1 base score of 7.8 (HIGH) with vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
What CWE is associated with CVE-2020-13241?
CVE-2020-13241 is classified under CWE-434: Unrestricted Upload of File with Dangerous Type (The product allows the upload or transfer of dangerous file types that are automatically processed within its environment.).
How can I check Packagist dependencies for CVE-2020-13241?
Run the dependency tree command: 'inspect dependencies for microweber/microweber'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-89fp-j8v7-p82h",
  "modified" : "2023-08-21T18:36:52Z",
  "published" : "2022-05-24T17:18:12Z",
  "aliases" : [ "CVE-2020-13241" ],
  "summary" : "Microweber allows Unrestricted File Upload",
  "details" : "Microweber 1.1.18 allows Unrestricted File Upload because `admin/view:modules/load_module:users#edit-user=1` does not verify that the file extension (used with the Add Image option on the Edit User screen) corresponds to an image file.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "microweber/microweber"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "last_affected" : "1.1.18"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2020-13241"
  }, {
    "type" : "WEB",
    "url" : "https://gist.github.com/virendratiwari03/0af29841fdf27207eb3abc8f28d326f3"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/microweber/microweber"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-434" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2023-07-13T01:11:33Z",
    "nvd_published_at" : "2020-05-20T19:15:00Z"
  }
}