CVE-2019-18986: Pimcore/pimcore Pimcore Discloses Usernames Vulnerability

HIGH
Advisory Identifier: GHSA-8889-9g3f-73rj
Share
CVSS 7.5
CWE-307
Published
Advisory Summary

CVE-2019-18986 is a HIGH (CVSS 7.5) pimcore discloses usernames vulnerability (CWE-307: Improper Restriction of Excessive Authentication Attempts) affecting Pimcore/pimcore libraries in the Packagist ecosystem. The issue involves pimcore discloses usernames in use. Remediation is available by upgrading affected packages to version 6.2.2.

CVE-2019-18986 at a Glance

CVE Identifier CVE-2019-18986
GHSA Identifier GHSA-8889-9g3f-73rj
Severity HIGH
CVSS v3.1 Base Score 7.5
CWE Classification CWE-307: Improper Restriction of Excessive Authentication Attempts
Affected Product Pimcore/pimcore
Package Ecosystem Packagist
Published Date
Last Updated

Security Impact

CVSS: 7.5

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

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

How to Fix CVE-2019-18986

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

pimcore/pimcore fixed: 6.2.2 
Upgrade pimcore/pimcore to 6.2.2
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 pimcore/pimcore

How to Check if You Are Affected

To determine whether your application is affected by CVE-2019-18986, inspect your project dependencies for Pimcore/pimcore:

inspect dependencies for pimcore/pimcore

Analyze the terminal output to locate any version of Pimcore/pimcore in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 6.2.2), 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-307: Improper Restriction of Excessive Authentication Attempts, where the product does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame. In Pimcore/pimcore, 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

Pimcore before 6.2.2 allow attackers to brute-force (guess) valid usernames by using the 'forgot password' functionality as it returns distinct messages for invalid password and non-existing users.

CVE-2019-18986 Affected Pimcore/pimcore Versions

1 component(s)
Fixed Versions:
6.2.2
Product / Package Ecosystem Affected Versions Fixed Version
pimcore/pimcore
 Packagist
< 6.2.2
6.2.2

References

NVD — CVE-2019-18986 NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-18986
Security Fix Commit FIX COMMIT
https://github.com/pimcore/pimcore/commit/4a7bba5c3f818852cbbd29fa124f7fb09a207185
Pimcore/pimcore Source Repository REPOSITORY
https://github.com/pimcore/pimcore
Pimcore/pimcore Source Repository REPOSITORY
https://github.com/pimcore/pimcore/compare/v6.2.1...v6.2.2

Frequently Asked Questions

What is CVE-2019-18986?
CVE-2019-18986 is a security vulnerability in Pimcore/pimcore involving Pimcore Discloses Usernames In Use under CWE-307: Improper Restriction of Excessive Authentication Attempts.
Which Pimcore/pimcore versions are affected?
Affected versions include releases prior to 6.2.2 across affected packages: pimcore/pimcore.
What version fixes CVE-2019-18986?
Upgrading to 6.2.2 (or the latest patched release for your respective branch) resolves the vulnerability.
Is pimcore/pimcore affected?
Yes, pimcore/pimcore is affected in releases prior to 6.2.2. Upgrade your dependency to 6.2.2 or later.
What is the CVSS score of CVE-2019-18986?
CVE-2019-18986 has a CVSS v3.1 base score of 7.5 (HIGH) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
What CWE is associated with CVE-2019-18986?
CVE-2019-18986 is classified under CWE-307: Improper Restriction of Excessive Authentication Attempts (The product does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame.).
How can I check Packagist dependencies for CVE-2019-18986?
Run the dependency tree command: 'inspect dependencies for pimcore/pimcore'. 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-8889-9g3f-73rj",
  "modified" : "2023-09-26T19:49:07Z",
  "published" : "2022-05-24T17:01:23Z",
  "aliases" : [ "CVE-2019-18986" ],
  "summary" : "Pimcore Discloses Usernames In Use",
  "details" : "Pimcore before 6.2.2 allow attackers to brute-force (guess) valid usernames by using the 'forgot password' functionality as it returns distinct messages for invalid password and non-existing users.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "pimcore/pimcore"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "6.2.2"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2019-18986"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/pimcore/pimcore/commit/4a7bba5c3f818852cbbd29fa124f7fb09a207185"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/pimcore/pimcore"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/pimcore/pimcore/compare/v6.2.1...v6.2.2"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-307" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2023-07-18T22:09:22Z",
    "nvd_published_at" : "2019-11-15T05:15:00Z"
  }
}