CVE-2020-2114: S3 Jenkins S3 Publisher Plugin Transmits Vulnerability

LOW
Advisory Identifier: GHSA-ffr6-8cv5-j637
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CVSS 3.1
CWE-319 CWE-522
Published
Advisory Summary

CVE-2020-2114 is a LOW (CVSS 3.1) jenkins s3 publisher plugin transmits vulnerability (CWE-319: Cleartext Transmission of Sensitive Information) affecting S3 libraries in the Maven ecosystem. The issue involves jenkins s3 publisher plugin transmits credentials in plain text during configuration. Remediation is available by upgrading affected packages to version 0.11.5.

CVE-2020-2114 at a Glance

CVE Identifier CVE-2020-2114
GHSA Identifier GHSA-ffr6-8cv5-j637
Severity LOW
CVSS v3.1 Base Score 3.1
CWE Classification CWE-319: Cleartext Transmission of Sensitive Information
Affected Product S3
Package Ecosystem Maven
Published Date
Last Updated

Security Impact

CVSS: 3.1

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:R/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 Required (UI:R)
Scope Unchanged (S:U)
Confidentiality Low (C:L)
Integrity None (I:N)
Availability None (A:N)

How to Fix CVE-2020-2114

To remediate this vulnerability, upgrade all affected S3 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:s3 fixed: 0.11.5 
<dependency>
    <groupId>org.jenkins-ci.plugins</groupId>
    <artifactId>s3</artifactId>
    <version>0.11.5</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-2020-2114, 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 S3 in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 0.11.5), 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-319: Cleartext Transmission of Sensitive Information, where the product transmits sensitive or security-critical data in cleartext in a communication channel that can be sniffed by unauthorized actors. In S3, 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

S3 Publisher Plugin stores a secret key in its global configuration. While the credential is stored encrypted on disk, it is transmitted in plain text as part of the configuration form by S3 publisher Plugin 0.11.4 and earlier. This can result in exposure of the credential through browser extensions, cross-site scripting vulnerabilities, and similar situations. S3 Publisher Plugin 0.11.5 transmits the secret key in its global configuration encrypted.

CVE-2020-2114 Affected S3 Versions

1 component(s)
Fixed Versions:
0.11.5
Product / Package Ecosystem Affected Versions Fixed Version
org.jenkins-ci.plugins:s3
maven/org.jenkins-ci.plugins/s3
Maven
< 0.11.5
0.11.5

References

NVD — CVE-2020-2114 NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-2114
Security Fix Commit FIX COMMIT
https://github.com/jenkinsci/s3-plugin/commit/ee92830bc670b1ab70d19b34fa2ee1a3e0dac12c
S3 Source Repository REPOSITORY
https://github.com/jenkinsci/s3-plugin
S3 Security Information SECURITY
https://jenkins.io/security/advisory/2020-02-12/#SECURITY-1684
S3 Security Information SECURITY
http://www.openwall.com/lists/oss-security/2020/02/12/3

Frequently Asked Questions

What is CVE-2020-2114?
CVE-2020-2114 is a security vulnerability in S3 involving Jenkins S3 Publisher Plugin transmits credentials in plain text during configuration under CWE-319: Cleartext Transmission of Sensitive Information.
Which S3 versions are affected?
Affected versions include releases prior to 0.11.5 across affected packages: org.jenkins-ci.plugins:s3.
What version fixes CVE-2020-2114?
Upgrading to 0.11.5 (or the latest patched release for your respective branch) resolves the vulnerability.
Is s3 affected?
Yes, org.jenkins-ci.plugins:s3 is affected in releases prior to 0.11.5. Upgrade your dependency to 0.11.5 or later.
What is the CVSS score of CVE-2020-2114?
CVE-2020-2114 has a CVSS v3.1 base score of 3.1 (LOW) with vector string CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N.
What CWE is associated with CVE-2020-2114?
CVE-2020-2114 is classified under CWE-319: Cleartext Transmission of Sensitive Information (The product transmits sensitive or security-critical data in cleartext in a communication channel that can be sniffed by unauthorized actors.).
How can I check Maven dependencies for CVE-2020-2114?
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-ffr6-8cv5-j637",
  "modified" : "2023-01-06T17:07:28Z",
  "published" : "2022-05-24T17:08:46Z",
  "aliases" : [ "CVE-2020-2114" ],
  "summary" : "Jenkins S3 Publisher Plugin transmits credentials in plain text during configuration",
  "details" : "S3 Publisher Plugin stores a secret key in its global configuration. While the credential is stored encrypted on disk, it is transmitted in plain text as part of the configuration form by S3 publisher Plugin 0.11.4 and earlier. This can result in exposure of the credential through browser extensions, cross-site scripting vulnerabilities, and similar situations. S3 Publisher Plugin 0.11.5 transmits the secret key in its global configuration encrypted.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Maven",
      "name" : "org.jenkins-ci.plugins:s3"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "0.11.5"
      } ]
    } ],
    "database_specific" : {
      "last_known_affected_version_range" : "<= 0.11.4"
    }
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2020-2114"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/jenkinsci/s3-plugin/commit/ee92830bc670b1ab70d19b34fa2ee1a3e0dac12c"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/jenkinsci/s3-plugin"
  }, {
    "type" : "WEB",
    "url" : "https://jenkins.io/security/advisory/2020-02-12/#SECURITY-1684"
  }, {
    "type" : "WEB",
    "url" : "http://www.openwall.com/lists/oss-security/2020/02/12/3"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-319", "CWE-522" ],
    "severity" : "LOW",
    "github_reviewed" : true,
    "github_reviewed_at" : "2023-01-06T17:07:28Z",
    "nvd_published_at" : "2020-02-12T15:15:00Z"
  }
}