Vulnerability-Lookup

CNVD-2021-46872

Vulnerability from cnvd - Published: 2021-07-03

Title

Jenkins授权问题漏洞（CNVD-2021-46872）

Description

Jenkins是Jenkins开源的一个应用软件。一个开源自动化服务器Jenkins提供了数百个插件来支持构建，部署和自动化任何项目。 Jenkins存在授权问题漏洞，该漏洞源于Jenkins 不会在登录时使之前的会话无效。攻击者可能利用此漏洞获取之前的用户的访问权限。

Severity

高

Patch Name

Jenkins授权问题漏洞（CNVD-2021-46872）的补丁

Patch Description

Jenkins是Jenkins开源的一个应用软件。一个开源自动化服务器Jenkins提供了数百个插件来支持构建，部署和自动化任何项目。 Jenkins存在授权问题漏洞，该漏洞源于Jenkins 不会在登录时使之前的会话无效。攻击者可能利用此漏洞获取之前的用户的访问权限。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://www.jenkins.io/security/advisory/2021-06-30/#SECURITY-2371

Reference

https://vigilance.fr/vulnerability/Jenkins-Core-two-vulnerabilities-35799

Impacted products

Name
Jenkins Jenkins

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-21671",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-21671"
    }
  },
  "description": "Jenkins\u662fJenkins\u5f00\u6e90\u7684\u4e00\u4e2a\u5e94\u7528\u8f6f\u4ef6\u3002\u4e00\u4e2a\u5f00\u6e90\u81ea\u52a8\u5316\u670d\u52a1\u5668Jenkins\u63d0\u4f9b\u4e86\u6570\u767e\u4e2a\u63d2\u4ef6\u6765\u652f\u6301\u6784\u5efa\uff0c\u90e8\u7f72\u548c\u81ea\u52a8\u5316\u4efb\u4f55\u9879\u76ee\u3002\n\nJenkins\u5b58\u5728\u6388\u6743\u95ee\u9898\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eJenkins \u4e0d\u4f1a\u5728\u767b\u5f55\u65f6\u4f7f\u4e4b\u524d\u7684\u4f1a\u8bdd\u65e0\u6548\u3002\u653b\u51fb\u8005\u53ef\u80fd\u5229\u7528\u6b64\u6f0f\u6d1e\u83b7\u53d6\u4e4b\u524d\u7684\u7528\u6237\u7684\u8bbf\u95ee\u6743\u9650\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://www.jenkins.io/security/advisory/2021-06-30/#SECURITY-2371",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-46872",
  "openTime": "2021-07-03",
  "patchDescription": "Jenkins\u662fJenkins\u5f00\u6e90\u7684\u4e00\u4e2a\u5e94\u7528\u8f6f\u4ef6\u3002\u4e00\u4e2a\u5f00\u6e90\u81ea\u52a8\u5316\u670d\u52a1\u5668Jenkins\u63d0\u4f9b\u4e86\u6570\u767e\u4e2a\u63d2\u4ef6\u6765\u652f\u6301\u6784\u5efa\uff0c\u90e8\u7f72\u548c\u81ea\u52a8\u5316\u4efb\u4f55\u9879\u76ee\u3002\r\n\r\nJenkins\u5b58\u5728\u6388\u6743\u95ee\u9898\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eJenkins \u4e0d\u4f1a\u5728\u767b\u5f55\u65f6\u4f7f\u4e4b\u524d\u7684\u4f1a\u8bdd\u65e0\u6548\u3002\u653b\u51fb\u8005\u53ef\u80fd\u5229\u7528\u6b64\u6f0f\u6d1e\u83b7\u53d6\u4e4b\u524d\u7684\u7528\u6237\u7684\u8bbf\u95ee\u6743\u9650\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Jenkins\u6388\u6743\u95ee\u9898\u6f0f\u6d1e\uff08CNVD-2021-46872\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Jenkins Jenkins"
  },
  "referenceLink": "https://vigilance.fr/vulnerability/Jenkins-Core-two-vulnerabilities-35799",
  "serverity": "\u9ad8",
  "submitTime": "2021-07-01",
  "title": "Jenkins\u6388\u6743\u95ee\u9898\u6f0f\u6d1e\uff08CNVD-2021-46872\uff09"
}

CVE-2021-21671 (GCVE-0-2021-21671)

Vulnerability from cvelistv5 – Published: 2021-06-30 16:45 – Updated: 2024-08-03 18:23

Summary

Jenkins 2.299 and earlier, LTS 2.289.1 and earlier does not invalidate the previous session on login.

Severity

No CVSS data available.

Assigner

jenkins mitre root

References

2 references

URL	Tags
https://www.jenkins.io/security/advisory/2021-06-…	x_refsource_CONFIRM
http://www.openwall.com/lists/oss-security/2021/06/30/1	mailing-listx_refsource_MLIST

Impacted products

1 product

Vendor	Product	Version
Jenkins project	Jenkins	Affected: 2.266 , < unspecified (custom) Affected: LTS 2.277.1 , < unspecified (custom) Affected: unspecified , ≤ 2.299 (custom) Affected: unspecified , ≤ LTS 2.289.1 (custom)

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T18:23:27.410Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://www.jenkins.io/security/advisory/2021-06-30/#SECURITY-2371"
          },
          {
            "name": "[oss-security] 20210630 Multiple vulnerabilities in Jenkins and Jenkins plugins",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2021/06/30/1"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Jenkins",
          "vendor": "Jenkins project",
          "versions": [
            {
              "lessThan": "unspecified",
              "status": "affected",
              "version": "2.266",
              "versionType": "custom"
            },
            {
              "lessThan": "unspecified",
              "status": "affected",
              "version": "LTS 2.277.1",
              "versionType": "custom"
            },
            {
              "lessThanOrEqual": "2.299",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            },
            {
              "lessThanOrEqual": "LTS 2.289.1",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Jenkins 2.299 and earlier, LTS 2.289.1 and earlier does not invalidate the previous session on login."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-10-24T15:51:39.613Z",
        "orgId": "39769cd5-e6e2-4dc8-927e-97b3aa056f5b",
        "shortName": "jenkins"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://www.jenkins.io/security/advisory/2021-06-30/#SECURITY-2371"
        },
        {
          "name": "[oss-security] 20210630 Multiple vulnerabilities in Jenkins and Jenkins plugins",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2021/06/30/1"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "jenkinsci-cert@googlegroups.com",
          "ID": "CVE-2021-21671",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Jenkins",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003e=",
                            "version_value": "2.266"
                          },
                          {
                            "version_affected": "\u003e=",
                            "version_value": "LTS 2.277.1"
                          },
                          {
                            "version_affected": "\u003c=",
                            "version_value": "2.299"
                          },
                          {
                            "version_affected": "\u003c=",
                            "version_value": "LTS 2.289.1"
                          }
                        ]
                      }
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        "description": {
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        "problemtype": {
          "problemtype_data": [
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                {
                  "lang": "eng",
                  "value": "CWE-384: Session Fixation"
                }
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          "reference_data": [
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              "url": "https://www.jenkins.io/security/advisory/2021-06-30/#SECURITY-2371"
            },
            {
              "name": "[oss-security] 20210630 Multiple vulnerabilities in Jenkins and Jenkins plugins",
              "refsource": "MLIST",
              "url": "http://www.openwall.com/lists/oss-security/2021/06/30/1"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "39769cd5-e6e2-4dc8-927e-97b3aa056f5b",
    "assignerShortName": "jenkins",
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    "datePublished": "2021-06-30T16:45:17.000Z",
    "dateReserved": "2021-01-04T00:00:00.000Z",
    "dateUpdated": "2024-08-03T18:23:27.410Z",
    "state": "PUBLISHED"
  },
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  "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.

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.

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CNVD-2021-46872

CVE-2021-21671 (GCVE-0-2021-21671)

Tags

Sightings

Nomenclature

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