Vulnerability-Lookup

FKIE_CVE-2020-2185

Vulnerability from fkie_nvd - Published: 2020-05-06 13:15 - Updated: 2026-06-17 03:11

Severity

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

Summary

Jenkins Amazon EC2 Plugin 1.50.1 and earlier does not validate SSH host keys when connecting agents, enabling man-in-the-middle attacks.

References

URL	Tags
jenkinsci-cert@googlegroups.com	http://www.openwall.com/lists/oss-security/2020/05/06/3	Mailing List, Third Party Advisory
jenkinsci-cert@googlegroups.com	https://jenkins.io/security/advisory/2020-05-06/#SECURITY-381	Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	http://www.openwall.com/lists/oss-security/2020/05/06/3	Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://jenkins.io/security/advisory/2020-05-06/#SECURITY-381	Vendor Advisory

Impacted products

	Vendor	Product	Version
	jenkins	amazon_ec2	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Jenkins Amazon EC2 Plugin",
          "vendor": "Jenkins project",
          "versions": [
            {
              "lessThanOrEqual": "1.50.1",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "jenkinsci-cert@googlegroups.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:jenkins:amazon_ec2:*:*:*:*:*:jenkins:*:*",
              "matchCriteriaId": "53F6134B-EDDF-4E62-8947-A8F4CEEADD46",
              "versionEndIncluding": "1.50.1",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Jenkins Amazon EC2 Plugin 1.50.1 and earlier does not validate SSH host keys when connecting agents, enabling man-in-the-middle attacks."
    },
    {
      "lang": "es",
      "value": "Jenkins Amazon EC2 Plugin versiones 1.50.1 y anteriores, no comprueban las claves de host SSH cuando se conectan agentes, habilitando ataques de tipo man-in-the-middle."
    }
  ],
  "id": "CVE-2020-2185",
  "lastModified": "2026-06-17T03:11:56.830",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 6.8,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "LOW",
          "baseScore": 5.6,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L",
          "version": "3.1"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 3.4,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2020-05-06T13:15:14.367",
  "references": [
    {
      "source": "jenkinsci-cert@googlegroups.com",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2020/05/06/3"
    },
    {
      "source": "jenkinsci-cert@googlegroups.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://jenkins.io/security/advisory/2020-05-06/#SECURITY-381"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2020/05/06/3"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://jenkins.io/security/advisory/2020-05-06/#SECURITY-381"
    }
  ],
  "sourceIdentifier": "jenkinsci-cert@googlegroups.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2020-2185 (GCVE-0-2020-2185)

Vulnerability from cvelistv5 – Published: 2020-05-06 12:45 – Updated: 2024-08-04 07:01

Summary

Jenkins Amazon EC2 Plugin 1.50.1 and earlier does not validate SSH host keys when connecting agents, enabling man-in-the-middle attacks.

Severity

No CVSS data available.

Assigner

jenkins mitre root

References

2 references

URL	Tags
https://jenkins.io/security/advisory/2020-05-06/#…	x_refsource_CONFIRM
http://www.openwall.com/lists/oss-security/2020/05/06/3	mailing-listx_refsource_MLIST

Impacted products

1 product

Vendor	Product	Version
Jenkins project	Jenkins Amazon EC2 Plugin	Affected: unspecified , ≤ 1.50.1 (custom)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T07:01:41.222Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://jenkins.io/security/advisory/2020-05-06/#SECURITY-381"
          },
          {
            "name": "[oss-security] 20200506 Multiple vulnerabilities in Jenkins plugins",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2020/05/06/3"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Jenkins Amazon EC2 Plugin",
          "vendor": "Jenkins project",
          "versions": [
            {
              "lessThanOrEqual": "1.50.1",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Jenkins Amazon EC2 Plugin 1.50.1 and earlier does not validate SSH host keys when connecting agents, enabling man-in-the-middle attacks."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-10-24T16:06:34.591Z",
        "orgId": "39769cd5-e6e2-4dc8-927e-97b3aa056f5b",
        "shortName": "jenkins"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://jenkins.io/security/advisory/2020-05-06/#SECURITY-381"
        },
        {
          "name": "[oss-security] 20200506 Multiple vulnerabilities in Jenkins plugins",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2020/05/06/3"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "jenkinsci-cert@googlegroups.com",
          "ID": "CVE-2020-2185",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Jenkins Amazon EC2 Plugin",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c=",
                            "version_value": "1.50.1"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Jenkins project"
              }
            ]
          }
        },
        "data_format": "MITRE",
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        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "Jenkins Amazon EC2 Plugin 1.50.1 and earlier does not validate SSH host keys when connecting agents, enabling man-in-the-middle attacks."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-300: Channel Accessible by Non-Endpoint"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://jenkins.io/security/advisory/2020-05-06/#SECURITY-381",
              "refsource": "CONFIRM",
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            },
            {
              "name": "[oss-security] 20200506 Multiple vulnerabilities in Jenkins plugins",
              "refsource": "MLIST",
              "url": "http://www.openwall.com/lists/oss-security/2020/05/06/3"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "39769cd5-e6e2-4dc8-927e-97b3aa056f5b",
    "assignerShortName": "jenkins",
    "cveId": "CVE-2020-2185",
    "datePublished": "2020-05-06T12:45:24.000Z",
    "dateReserved": "2019-12-05T00:00:00.000Z",
    "dateUpdated": "2024-08-04T07:01:41.222Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

Detection rules are retrieved from Rulezet.

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.