CVE-2020-2131: Harvest Passwords Stored Vulnerability

MODERATE
Advisory Identifier: GHSA-qj7p-9hgf-x8j7
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CVSS 4.3
CWE-522 CWE-256
Published
Advisory Summary

CVE-2020-2131 is a MODERATE (CVSS 4.3) passwords stored vulnerability (CWE-522: Insufficiently Protected Credentials) affecting Harvest libraries in the Maven ecosystem. The issue involves passwords stored in plain text by harvest scm plugin. Remediation is available in the latest vendor maintenance releases.

CVE-2020-2131 at a Glance

CVE Identifier CVE-2020-2131
GHSA Identifier GHSA-qj7p-9hgf-x8j7
Severity MODERATE
CVSS v3.1 Base Score 4.3
CWE Classification CWE-522: Insufficiently Protected Credentials
Affected Product Harvest
Package Ecosystem Maven
Published Date
Last Updated

Security Impact

CVSS: 4.3

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:L/I:N/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 Low (C:L)
Integrity None (I:N)
Availability None (A:N)

How to Fix CVE-2020-2131

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

org.jenkins-ci.plugins:harvest fixed: Latest secure release 
<dependency>
    <groupId>org.jenkins-ci.plugins</groupId>
    <artifactId>harvest</artifactId>
    <version>Latest secure release</version>
</dependency>
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

mvn dependency:tree -Dincludes=org.jenkins-ci.plugins

How to Check if You Are Affected

To determine whether your Java application is affected by CVE-2020-2131, inspect your build dependencies using the Maven Dependency Plugin:

mvn dependency:tree -Dincludes=org.jenkins-ci.plugins

Analyze the terminal output to locate any version of Harvest 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: The mvn dependency:tree -Dincludes=org.jenkins-ci.plugins command inspects the resolved dependency graph declared in your project's POM files; it does not perform automated security scanning or inspect runtime dynamic classpaths. Always verify runtime container classpaths and shaded JARs.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-522: Insufficiently Protected Credentials, where the product transmits or stores authentication credentials, but it uses an insecure method that is susceptible to unauthorized interception and/or retrieval. In Harvest, 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

Jenkins Harvest SCM Plugin 0.5.1 and earlier stores passwords unencrypted in job config.xml files on the Jenkins master where they can be viewed by users with Extended Read permission, or access to the master file system.

CVE-2020-2131 Affected Harvest Versions

1 component(s)
Product / Package Ecosystem Affected Versions Fixed Version
org.jenkins-ci.plugins:harvest
maven/org.jenkins-ci.plugins/harvest
Maven
≤ 0.5.1

References

NVD — CVE-2020-2131 NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-2131
Harvest Source Repository REPOSITORY
https://github.com/jenkinsci/harvest-plugin
Harvest Security Information SECURITY
https://jenkins.io/security/advisory/2020-02-12/#SECURITY-1553
Harvest Security Information SECURITY
http://www.openwall.com/lists/oss-security/2020/02/12/3

Frequently Asked Questions

What is CVE-2020-2131?
CVE-2020-2131 is a security vulnerability in Harvest involving Passwords stored in plain text by Harvest SCM Plugin under CWE-522: Insufficiently Protected Credentials.
Which Harvest versions are affected?
Affected versions include releases prior to current release patches across affected packages: org.jenkins-ci.plugins:harvest.
What version fixes CVE-2020-2131?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
Is harvest affected?
Yes, org.jenkins-ci.plugins:harvest 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-2020-2131?
CVE-2020-2131 has a CVSS v3.1 base score of 4.3 (MODERATE) with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
What CWE is associated with CVE-2020-2131?
CVE-2020-2131 is classified under CWE-522: Insufficiently Protected Credentials (The product transmits or stores authentication credentials, but it uses an insecure method that is susceptible to unauthorized interception and/or retrieval.).
How can I check Maven dependencies for CVE-2020-2131?
Run the dependency tree command: 'mvn dependency:tree -Dincludes=org.jenkins-ci.plugins'. 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-qj7p-9hgf-x8j7",
  "modified" : "2023-01-05T21:44:47Z",
  "published" : "2022-05-24T17:08:48Z",
  "aliases" : [ "CVE-2020-2131" ],
  "summary" : "Passwords stored in plain text by Harvest SCM Plugin",
  "details" : "Jenkins Harvest SCM Plugin 0.5.1 and earlier stores passwords unencrypted in job config.xml files on the Jenkins master where they can be viewed by users with Extended Read permission, or access to the master file system.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Maven",
      "name" : "org.jenkins-ci.plugins:harvest"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "last_affected" : "0.5.1"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2020-2131"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/jenkinsci/harvest-plugin"
  }, {
    "type" : "WEB",
    "url" : "https://jenkins.io/security/advisory/2020-02-12/#SECURITY-1553"
  }, {
    "type" : "WEB",
    "url" : "http://www.openwall.com/lists/oss-security/2020/02/12/3"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-256", "CWE-522" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2023-01-05T21:44:47Z",
    "nvd_published_at" : "2020-02-12T15:15:00Z"
  }
}