CVE-2020-22643: Feehi/cms Feehi CMS Arbitrary File Upload Vulnerability

HIGH
Advisory Identifier: GHSA-65x8-9vgm-5fg5
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CVSS 7.2
CWE-434
Published
Advisory Summary

CVE-2020-22643 is a HIGH (CVSS 7.2) feehi cms arbitrary file upload vulnerability (CWE-434: Unrestricted Upload of File with Dangerous Type) affecting Feehi/cms libraries in the Packagist ecosystem. The issue involves feehi cms arbitrary file upload vulnerability. Remediation is available in the latest vendor maintenance releases.

CVE-2020-22643 at a Glance

CVE Identifier CVE-2020-22643
GHSA Identifier GHSA-65x8-9vgm-5fg5
Severity HIGH
CVSS v3.1 Base Score 7.2
CWE Classification CWE-434: Unrestricted Upload of File with Dangerous Type
Affected Product Feehi/cms
Package Ecosystem Packagist
Published Date
Last Updated

Security Impact

CVSS: 7.2

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

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required High (PR:H)
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-2020-22643

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

feehi/cms fixed: Latest secure release 
Upgrade feehi/cms 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 feehi/cms

How to Check if You Are Affected

To determine whether your application is affected by CVE-2020-22643, inspect your project dependencies for Feehi/cms:

inspect dependencies for feehi/cms

Analyze the terminal output to locate any version of Feehi/cms 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 Feehi/cms, 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

Feehi CMS 2.1.0-beta is affected by an arbitrary file upload vulnerability, potentially resulting in remote code execution. After an administrator logs in, open the administrator image upload page to potentially upload malicious files.

CVE-2020-22643 Affected Feehi/cms Versions

1 component(s)
Product / Package Ecosystem Affected Versions Fixed Version
feehi/cms
 Packagist
≤ 2.1.0-beta

References

NVD — CVE-2020-22643 NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-22643
Feehi/cms Source Repository REPOSITORY
https://github.com/liufee/cms/issues/51
Feehi/cms Source Repository REPOSITORY
https://github.com/liufee/cms

Frequently Asked Questions

What is CVE-2020-22643?
CVE-2020-22643 is a security vulnerability in Feehi/cms involving Feehi CMS arbitrary file upload vulnerability under CWE-434: Unrestricted Upload of File with Dangerous Type.
Which Feehi/cms versions are affected?
Affected versions include releases prior to current release patches across affected packages: feehi/cms.
What version fixes CVE-2020-22643?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
Is feehi/cms affected?
Yes, feehi/cms 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-2020-22643?
CVE-2020-22643 has a CVSS v3.1 base score of 7.2 (HIGH) with vector string CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
What CWE is associated with CVE-2020-22643?
CVE-2020-22643 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-2020-22643?
Run the dependency tree command: 'inspect dependencies for feehi/cms'. 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-65x8-9vgm-5fg5",
  "modified" : "2023-07-07T13:48:29Z",
  "published" : "2022-05-24T17:40:04Z",
  "aliases" : [ "CVE-2020-22643" ],
  "summary" : "Feehi CMS arbitrary file upload vulnerability",
  "details" : "Feehi CMS 2.1.0-beta is affected by an arbitrary file upload vulnerability, potentially resulting in remote code execution. After an administrator logs in, open the administrator image upload page to potentially upload malicious files.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "feehi/cms"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "last_affected" : "2.1.0-beta"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2020-22643"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/liufee/cms/issues/51"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/liufee/cms"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-434" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2023-07-07T13:48:29Z",
    "nvd_published_at" : "2021-01-26T18:15:00Z"
  }
}