CVE-2020-29605: Mantisbt/mantisbt MantisBT Incorrect Authorization Vulnerability

MODERATE
Advisory Identifier: GHSA-pgg9-mmcg-8mxp
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CWE-863
Published
Advisory Summary

CVE-2020-29605 is a MODERATE mantisbt incorrect authorization vulnerability (CWE-863: Incorrect Authorization) affecting Mantisbt/mantisbt libraries in the Packagist ecosystem. The issue involves mantisbt incorrect authorization in bug_actiongroup_page.php. Remediation is available by upgrading affected packages to version 2.24.4.

CVE-2020-29605 at a Glance

CVE Identifier CVE-2020-29605
GHSA Identifier GHSA-pgg9-mmcg-8mxp
Severity MODERATE
CVSS v3.1 Base Score N/A
CWE Classification CWE-863: Incorrect Authorization
Affected Product Mantisbt/mantisbt
Package Ecosystem Packagist
Published Date
Last Updated

How to Fix CVE-2020-29605

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

mantisbt/mantisbt fixed: 2.24.4 
Upgrade mantisbt/mantisbt to 2.24.4
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 mantisbt/mantisbt

How to Check if You Are Affected

To determine whether your application is affected by CVE-2020-29605, inspect your project dependencies for Mantisbt/mantisbt:

inspect dependencies for mantisbt/mantisbt

Analyze the terminal output to locate any version of Mantisbt/mantisbt in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 2.24.4), 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 Mantisbt/mantisbt, 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

An issue was discovered in MantisBT before 2.24.4. Due to insufficient access-level checks, any logged-in user allowed to perform Group Actions can get access to the Summary fields of private Issues via bug_arr[]= in a crafted bug_actiongroup_page.php URL. (The target Issues can have Private view status, or belong to a private Project.)

CVE-2020-29605 Affected Mantisbt/mantisbt Versions

1 component(s)
Fixed Versions:
2.24.4
Product / Package Ecosystem Affected Versions Fixed Version
mantisbt/mantisbt
 Packagist
< 2.24.4
2.24.4

References

NVD — CVE-2020-29605 NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-29605
Security Fix Commit FIX COMMIT
https://github.com/mantisbt/mantisbt/commit/9322c8c9f57fb72f3b8b033889a6a09c441d5be0
Mantisbt/mantisbt Source Repository REPOSITORY
https://github.com/mantisbt/mantisbt
mantisbt.org/bugs/view.php WEB
https://mantisbt.org/bugs/view.php?id=27357
mantisbt.org/bugs/view.php WEB
https://mantisbt.org/bugs/view.php?id=27727

Frequently Asked Questions

What is CVE-2020-29605?
CVE-2020-29605 is a security vulnerability in Mantisbt/mantisbt involving MantisBT Incorrect Authorization in bug_actiongroup_page.php under CWE-863: Incorrect Authorization.
Which Mantisbt/mantisbt versions are affected?
Affected versions include releases prior to 2.24.4 across affected packages: mantisbt/mantisbt.
What version fixes CVE-2020-29605?
Upgrading to 2.24.4 (or the latest patched release for your respective branch) resolves the vulnerability.
Is mantisbt/mantisbt affected?
Yes, mantisbt/mantisbt is affected in releases prior to 2.24.4. Upgrade your dependency to 2.24.4 or later.
What CWE is associated with CVE-2020-29605?
CVE-2020-29605 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-2020-29605?
Run the dependency tree command: 'inspect dependencies for mantisbt/mantisbt'. 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-pgg9-mmcg-8mxp",
  "modified" : "2025-05-30T14:03:02Z",
  "published" : "2022-05-24T17:40:35Z",
  "aliases" : [ "CVE-2020-29605" ],
  "summary" : "MantisBT Incorrect Authorization in bug_actiongroup_page.php",
  "details" : "An issue was discovered in MantisBT before 2.24.4. Due to insufficient access-level checks, any logged-in user allowed to perform Group Actions can get access to the Summary fields of private Issues via bug_arr[]= in a crafted bug_actiongroup_page.php URL. (The target Issues can have Private view status, or belong to a private Project.)",
  "severity" : [ ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "mantisbt/mantisbt"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "2.24.4"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2020-29605"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/mantisbt/mantisbt/commit/9322c8c9f57fb72f3b8b033889a6a09c441d5be0"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/mantisbt/mantisbt"
  }, {
    "type" : "WEB",
    "url" : "https://mantisbt.org/bugs/view.php?id=27357"
  }, {
    "type" : "WEB",
    "url" : "https://mantisbt.org/bugs/view.php?id=27727"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-863" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2025-05-30T14:03:02Z",
    "nvd_published_at" : "2021-01-29T07:15:00Z"
  }
}