CVE-2021-36573: Feehi/feehicms FeehiCMS Unrestricted Upload Vulnerability Vulnerability

MODERATE
Advisory Identifier: GHSA-67mh-hw8v-x8v9
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CVSS 5.4
CWE-434 CWE-79
Published
Advisory Summary

CVE-2021-36573 is a MODERATE (CVSS 5.4) feehicms unrestricted upload vulnerability vulnerability (CWE-434: Unrestricted Upload of File with Dangerous Type) affecting Feehi/feehicms libraries in the Packagist ecosystem. The issue involves feehicms unrestricted upload vulnerability. Remediation is available in the latest vendor maintenance releases.

CVE-2021-36573 at a Glance

CVE Identifier CVE-2021-36573
GHSA Identifier GHSA-67mh-hw8v-x8v9
Severity MODERATE
CVSS v3.1 Base Score 5.4
CWE Classification CWE-434: Unrestricted Upload of File with Dangerous Type
Affected Product Feehi/feehicms
Package Ecosystem Packagist
Published Date
Last Updated

Security Impact

CVSS: 5.4

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

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required Low (PR:L)
User Interaction Required (UI:R)
Scope Changed (S:C)
Confidentiality Low (C:L)
Integrity Low (I:L)
Availability None (A:N)

How to Fix CVE-2021-36573

To remediate this vulnerability, upgrade all affected Feehi/feehicms 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/feehicms fixed: Latest secure release 
Upgrade feehi/feehicms 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/feehicms

How to Check if You Are Affected

To determine whether your application is affected by CVE-2021-36573, inspect your project dependencies for Feehi/feehicms:

inspect dependencies for feehi/feehicms

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

File Upload vulnerability in Feehi CMS thru 2.1.1 allows attackers to run arbitrary code via crafted image upload.

CVE-2021-36573 Affected Feehi/feehicms Versions

1 component(s)
Product / Package Ecosystem Affected Versions Fixed Version
feehi/feehicms
 Packagist
≤ 2.1.1

References

NVD — CVE-2021-36573 NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-36573
Feehi/feehicms Source Repository REPOSITORY
https://github.com/liufee/cms/issues/59
Feehi/feehicms Source Repository REPOSITORY
https://github.com/liufee/cms

Frequently Asked Questions

What is CVE-2021-36573?
CVE-2021-36573 is a security vulnerability in Feehi/feehicms involving FeehiCMS Unrestricted Upload vulnerability under CWE-434: Unrestricted Upload of File with Dangerous Type.
Which Feehi/feehicms versions are affected?
Affected versions include releases prior to current release patches across affected packages: feehi/feehicms.
What version fixes CVE-2021-36573?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
Is feehi/feehicms affected?
Yes, feehi/feehicms 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-2021-36573?
CVE-2021-36573 has a CVSS v3.1 base score of 5.4 (MODERATE) with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.
What CWE is associated with CVE-2021-36573?
CVE-2021-36573 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-2021-36573?
Run the dependency tree command: 'inspect dependencies for feehi/feehicms'. 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-67mh-hw8v-x8v9",
  "modified" : "2022-12-19T14:40:24Z",
  "published" : "2022-12-15T21:30:29Z",
  "aliases" : [ "CVE-2021-36573" ],
  "summary" : "FeehiCMS Unrestricted Upload vulnerability",
  "details" : "File Upload vulnerability in Feehi CMS thru 2.1.1 allows attackers to run arbitrary code via crafted image upload.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "feehi/feehicms"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "last_affected" : "2.1.1"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2021-36573"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/liufee/cms/issues/59"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/liufee/cms"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-434", "CWE-79" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2022-12-15T23:33:11Z",
    "nvd_published_at" : "2022-12-15T19:15:00Z"
  }
}