CVE-2021-40616: Thinkcmf/thinkcmf Incorrect Authorization Vulnerability

MODERATE
Advisory Identifier: GHSA-v25c-8349-v2q3
CVSS 6.5
CWE-863
Published
Advisory Summary

CVE-2021-40616 is a MODERATE (CVSS 6.5) incorrect authorization vulnerability (CWE-863: Incorrect Authorization) affecting Thinkcmf/thinkcmf libraries in the Packagist ecosystem. The issue involves incorrect authorization in thinkcmf. Remediation is available by upgrading affected packages to version 6.0.0.

CVE-2021-40616 at a Glance

CVE Identifier CVE-2021-40616
GHSA Identifier GHSA-v25c-8349-v2q3
Severity MODERATE
CVSS v3.1 Base Score 6.5
CWE Classification CWE-863: Incorrect Authorization
Affected Product Thinkcmf/thinkcmf
Package Ecosystem Packagist
Published Date
Last Updated

Security Impact

CVSS: 6.5

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:N/S:U/C:N/I:H/A:N).

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

How to Fix CVE-2021-40616

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

thinkcmf/thinkcmf fixed: 6.0.0
Upgrade thinkcmf/thinkcmf to 6.0.0
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 thinkcmf/thinkcmf

How to Check if You Are Affected

To determine whether your application is affected by CVE-2021-40616, inspect your project dependencies for Thinkcmf/thinkcmf:

inspect dependencies for thinkcmf/thinkcmf

Analyze the terminal output to locate any version of Thinkcmf/thinkcmf in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 6.0.0), 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-863: Incorrect Authorization, where the product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. In Thinkcmf/thinkcmf, 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

thinkcmf v5.1.7 has an unauthorized vulnerability. The attacker can modify the password of the administrator account with id 1 through the background user management group permissions. The use condition is that the background user management group authority is required.

CVE-2021-40616 Affected Thinkcmf/thinkcmf Versions

1 component(s)
Fixed Versions:
6.0.0
Product / Package Ecosystem Affected Versions Fixed Version
thinkcmf/thinkcmf
Packagist
< 6.0.0
6.0.0

References

Frequently Asked Questions

What is CVE-2021-40616?
CVE-2021-40616 is a security vulnerability in Thinkcmf/thinkcmf involving Incorrect Authorization in thinkcmf under CWE-863: Incorrect Authorization.
Which Thinkcmf/thinkcmf versions are affected?
Affected versions include releases prior to 6.0.0 across affected packages: thinkcmf/thinkcmf.
What version fixes CVE-2021-40616?
Upgrading to 6.0.0 (or the latest patched release for your respective branch) resolves the vulnerability.
Is thinkcmf/thinkcmf affected?
Yes, thinkcmf/thinkcmf is affected in releases prior to 6.0.0. Upgrade your dependency to 6.0.0 or later.
What is the CVSS score of CVE-2021-40616?
CVE-2021-40616 has a CVSS v3.1 base score of 6.5 (MODERATE) with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.
What CWE is associated with CVE-2021-40616?
CVE-2021-40616 is classified under CWE-863: Incorrect Authorization (The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.).
How can I check Packagist dependencies for CVE-2021-40616?
Run the dependency tree command: 'inspect dependencies for thinkcmf/thinkcmf'. 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
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-v25c-8349-v2q3",
  "modified" : "2022-06-29T22:03:36Z",
  "published" : "2022-06-15T00:00:27Z",
  "aliases" : [ "CVE-2021-40616" ],
  "summary" : "Incorrect Authorization in thinkcmf",
  "details" : "thinkcmf v5.1.7 has an unauthorized vulnerability. The attacker can modify the password of the administrator account with id 1 through the background user management group permissions. The use condition is that the background user management group authority is required.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "thinkcmf/thinkcmf"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "6.0.0"
      } ]
    } ],
    "database_specific" : {
      "last_known_affected_version_range" : "<= 5.1.7"
    }
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2021-40616"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/thinkcmf/thinkcmf/issues/722"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/thinkcmf/thinkcmf"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-863" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2022-06-29T22:03:36Z",
    "nvd_published_at" : "2022-06-14T10:15:00Z"
  }
}