CVE-2024-4596: Kimai/kimai Kimai Information Disclosure Vulnerability Vulnerability

LOW
Advisory Identifier: GHSA-6f3v-2r2j-2rpr
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CVSS 3.7
CWE-200
Published
Advisory Summary

CVE-2024-4596 is a LOW (CVSS 3.7) kimai information disclosure vulnerability vulnerability (CWE-200: Exposure of Sensitive Information to an Unauthorized Actor) affecting Kimai/kimai libraries in the Packagist ecosystem. The issue involves kimai information disclosure vulnerability. Remediation is available by upgrading affected packages to version 2.16.0.

CVE-2024-4596 at a Glance

CVE Identifier CVE-2024-4596
GHSA Identifier GHSA-6f3v-2r2j-2rpr
Severity LOW
CVSS v3.1 Base Score 3.7
CWE Classification CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
Affected Product Kimai/kimai
Package Ecosystem Packagist
Published Date
Last Updated

Security Impact

CVSS: 3.7

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

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

How to Fix CVE-2024-4596

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

kimai/kimai fixed: 2.16.0 
Upgrade kimai/kimai to 2.16.0
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 kimai/kimai

How to Check if You Are Affected

To determine whether your application is affected by CVE-2024-4596, inspect your project dependencies for Kimai/kimai:

inspect dependencies for kimai/kimai

Analyze the terminal output to locate any version of Kimai/kimai in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 2.16.0), 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-200: Exposure of Sensitive Information to an Unauthorized Actor, where the product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. In Kimai/kimai, 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

A vulnerability was found in Kimai up to 2.15.0 and classified as problematic. Affected by this issue is some unknown functionality of the component Session Handler. The manipulation of the argument PHPSESSIONID leads to information disclosure. The attack may be launched remotely. The complexity of an attack is rather high. The exploitation is known to be difficult. Upgrading to version 2.16.0 is able to address this issue. It is recommended to upgrade the affected component. VDB-263318 is the identifier assigned to this vulnerability.

CVE-2024-4596 Affected Kimai/kimai Versions

1 component(s)
Fixed Versions:
2.16.0
Product / Package Ecosystem Affected Versions Fixed Version
kimai/kimai
 Packagist
< 2.16.0
2.16.0

References

NVD — CVE-2024-4596 NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-4596
Kimai/kimai Source Repository REPOSITORY
https://github.com/kimai/kimai
Kimai/kimai Release RELEASE
https://github.com/kimai/kimai/releases/tag/2.16.0
vuldb.com/ WEB
https://vuldb.com/?ctiid.263318
vuldb.com/ WEB
https://vuldb.com/?id.263318
vuldb.com/ WEB
https://vuldb.com/?submit.328639

Frequently Asked Questions

What is CVE-2024-4596?
CVE-2024-4596 is a security vulnerability in Kimai/kimai involving Kimai information disclosure vulnerability under CWE-200: Exposure of Sensitive Information to an Unauthorized Actor.
Which Kimai/kimai versions are affected?
Affected versions include releases prior to 2.16.0 across affected packages: kimai/kimai.
What version fixes CVE-2024-4596?
Upgrading to 2.16.0 (or the latest patched release for your respective branch) resolves the vulnerability.
Is kimai/kimai affected?
Yes, kimai/kimai is affected in releases prior to 2.16.0. Upgrade your dependency to 2.16.0 or later.
What is the CVSS score of CVE-2024-4596?
CVE-2024-4596 has a CVSS v3.1 base score of 3.7 (LOW) with vector string CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N.
What CWE is associated with CVE-2024-4596?
CVE-2024-4596 is classified under CWE-200: Exposure of Sensitive Information to an Unauthorized Actor (The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.).
How can I check Packagist dependencies for CVE-2024-4596?
Run the dependency tree command: 'inspect dependencies for kimai/kimai'. 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-6f3v-2r2j-2rpr",
  "modified" : "2025-10-13T15:43:47Z",
  "published" : "2024-05-07T18:30:33Z",
  "aliases" : [ "CVE-2024-4596" ],
  "summary" : "Kimai information disclosure vulnerability",
  "details" : "A vulnerability was found in Kimai up to 2.15.0 and classified as problematic. Affected by this issue is some unknown functionality of the component Session Handler. The manipulation of the argument PHPSESSIONID leads to information disclosure. The attack may be launched remotely. The complexity of an attack is rather high. The exploitation is known to be difficult. Upgrading to version 2.16.0 is able to address this issue. It is recommended to upgrade the affected component. VDB-263318 is the identifier assigned to this vulnerability.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "kimai/kimai"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "2.16.0"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2024-4596"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/kimai/kimai"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/kimai/kimai/releases/tag/2.16.0"
  }, {
    "type" : "WEB",
    "url" : "https://vuldb.com/?ctiid.263318"
  }, {
    "type" : "WEB",
    "url" : "https://vuldb.com/?id.263318"
  }, {
    "type" : "WEB",
    "url" : "https://vuldb.com/?submit.328639"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-200" ],
    "severity" : "LOW",
    "github_reviewed" : true,
    "github_reviewed_at" : "2024-05-07T19:59:29Z",
    "nvd_published_at" : "2024-05-07T16:15:08Z"
  }
}