Vulnerability-Lookup

CVE-2020-2121 (GCVE-0-2020-2121)

Vulnerability from cvelistv5 – Published: 2020-02-12 14:35 – Updated: 2024-08-04 07:01

Summary

Jenkins Google Kubernetes Engine Plugin 0.8.0 and earlier does not configure its YAML parser to prevent the instantiation of arbitrary types, resulting in a remote code execution vulnerability.

Severity

8.8 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Assigner

jenkins CNA under the mitre root

CNA scorecard E 44/100 over 132 records in the last 180 days details

References

2 references

URL	Tags
https://jenkins.io/security/advisory/2020-02-12/#…	x_refsource_CONFIRM
http://www.openwall.com/lists/oss-security/2020/02/12/3	mailing-listx_refsource_MLIST

Impacted products

1 product

Vendor	Product	Version	CPE status
Jenkins project	Jenkins Google Kubernetes Engine Plugin	Affected: unspecified , ≤ 0.8.0 (custom)	guessed

Show details on NVD website

JSON

To clipboard

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}

FKIE_CVE-2020-2121

Vulnerability from fkie_nvd - Published: 2020-02-12 15:15 - Updated: 2026-06-17 03:11

Severity

8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Summary

Jenkins Google Kubernetes Engine Plugin 0.8.0 and earlier does not configure its YAML parser to prevent the instantiation of arbitrary types, resulting in a remote code execution vulnerability.

References

URL	Tags
jenkinsci-cert@googlegroups.com	http://www.openwall.com/lists/oss-security/2020/02/12/3	Mailing List, Third Party Advisory
jenkinsci-cert@googlegroups.com	https://jenkins.io/security/advisory/2020-02-12/#SECURITY-1731	Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	http://www.openwall.com/lists/oss-security/2020/02/12/3	Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://jenkins.io/security/advisory/2020-02-12/#SECURITY-1731	Vendor Advisory

Impacted products

	Vendor	Product	Version
	jenkins	google_kubernetes_engine	*

JSON

To clipboard

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          "product": "Jenkins Google Kubernetes Engine Plugin",
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  "lastModified": "2026-06-17T03:11:47.893",
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}

GHSA-WF76-QGQQ-GCFJ

Vulnerability from github – Published: 2022-05-24 17:08 – Updated: 2023-01-14 05:27

Summary

RCE vulnerability in Google Kubernetes Engine Plugin

Details

Google Kubernetes Engine Plugin 0.8.0 and earlier does not configure its YAML parser to prevent the instantiation of arbitrary types. This results in a remote code execution vulnerability exploitable by users able to provide YAML input files to Google Kubernetes Engine Plugin’s build step.

Google Kubernetes Engine Plugin 0.8.1 configures its YAML parser to only instantiate safe types.

Severity

8.8 (High)


                  
                    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Show details on source website

JSON

To clipboard

{
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      "package": {
        "ecosystem": "Maven",
        "name": "org.jenkins-ci.plugins:google-kubernetes-engine"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.8.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2020-2121"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-502"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2023-01-14T05:27:29Z",
    "nvd_published_at": "2020-02-12T15:15:00Z",
    "severity": "HIGH"
  },
  "details": "Google Kubernetes Engine Plugin 0.8.0 and earlier does not configure its YAML parser to prevent the instantiation of arbitrary types. This results in a remote code execution vulnerability exploitable by users able to provide YAML input files to Google Kubernetes Engine Plugin\u2019s build step.\n\nGoogle Kubernetes Engine Plugin 0.8.1 configures its YAML parser to only instantiate safe types.",
  "id": "GHSA-wf76-qgqq-gcfj",
  "modified": "2023-01-14T05:27:29Z",
  "published": "2022-05-24T17:08:47Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-2121"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/jenkinsci/google-kubernetes-engine-plugin"
    },
    {
      "type": "WEB",
      "url": "https://jenkins.io/security/advisory/2020-02-12/#SECURITY-1731"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2020/02/12/3"
    }
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  "severity": [
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      "type": "CVSS_V3"
    }
  ],
  "summary": "RCE vulnerability in Google Kubernetes Engine Plugin"
}

GSD-2020-2121

Vulnerability from gsd - Updated: 2023-12-13 01:21

Details

Jenkins Google Kubernetes Engine Plugin 0.8.0 and earlier does not configure its YAML parser to prevent the instantiation of arbitrary types, resulting in a remote code execution vulnerability.

Aliases

CVE-2020-2121

Aliases

CVE-2020-2121

JSON

To clipboard

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  "GSD": {
    "alias": "CVE-2020-2121",
    "description": "Jenkins Google Kubernetes Engine Plugin 0.8.0 and earlier does not configure its YAML parser to prevent the instantiation of arbitrary types, resulting in a remote code execution vulnerability.",
    "id": "GSD-2020-2121"
  },
  "gsd": {
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      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
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      "modified": "2023-12-13T01:21:50.630735Z",
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          "cwe_ids": [
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        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "Jenkins Google Kubernetes Engine Plugin 0.8.0 and earlier does not configure its YAML parser to prevent the instantiation of arbitrary types, resulting in a remote code execution vulnerability."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "NVD-CWE-noinfo"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://jenkins.io/security/advisory/2020-02-12/#SECURITY-1731",
              "refsource": "CONFIRM",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "https://jenkins.io/security/advisory/2020-02-12/#SECURITY-1731"
            },
            {
              "name": "[oss-security] 20200212 Multiple vulnerabilities in Jenkins plugins",
              "refsource": "MLIST",
              "tags": [
                "Mailing List",
                "Third Party Advisory"
              ],
              "url": "http://www.openwall.com/lists/oss-security/2020/02/12/3"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "SINGLE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 6.5,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 8.0,
          "impactScore": 6.4,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 2.8,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2023-10-25T18:16Z",
      "publishedDate": "2020-02-12T15:15Z"
    }
  }
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2020-2121 (GCVE-0-2020-2121)

FKIE_CVE-2020-2121

GHSA-WF76-QGQQ-GCFJ

GSD-2020-2121

Tags

Sightings

Nomenclature

Vulnerability timeline

Related by attack behaviour