Vulnerability-Lookup

CNVD-2021-49086

Vulnerability from cnvd - Published: 2021-07-10

Title

Jenkins Templating Engine Plugin远程代码执行漏洞

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 Templating Engine Plugin在2.1及之前版本存在安全漏洞，该漏洞源于没有使用脚本安全插件来保护其管道配置，攻击者可利用该漏洞可以在Jenkins控制器JVM的上下文中执行任意代码。

Severity

中

Patch Name

Jenkins Templating Engine Plugin远程代码执行漏洞的补丁

Patch Description

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/2021-04-21/#SECURITY-2311

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-21646

Impacted products

Name
Jenkins Templating Engine Plugin <=2.1

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-21646",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-21646"
    }
  },
  "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 Templating Engine Plugin\u57282.1\u53ca\u4e4b\u524d\u7248\u672c\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u6ca1\u6709\u4f7f\u7528\u811a\u672c\u5b89\u5168\u63d2\u4ef6\u6765\u4fdd\u62a4\u5176\u7ba1\u9053\u914d\u7f6e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u53ef\u4ee5\u5728Jenkins\u63a7\u5236\u5668JVM\u7684\u4e0a\u4e0b\u6587\u4e2d\u6267\u884c\u4efb\u610f\u4ee3\u7801\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/2021-04-21/#SECURITY-2311",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-49086",
  "openTime": "2021-07-10",
  "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 Templating Engine Plugin\u57282.1\u53ca\u4e4b\u524d\u7248\u672c\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u6ca1\u6709\u4f7f\u7528\u811a\u672c\u5b89\u5168\u63d2\u4ef6\u6765\u4fdd\u62a4\u5176\u7ba1\u9053\u914d\u7f6e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u53ef\u4ee5\u5728Jenkins\u63a7\u5236\u5668JVM\u7684\u4e0a\u4e0b\u6587\u4e2d\u6267\u884c\u4efb\u610f\u4ee3\u7801\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 Templating Engine Plugin\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Jenkins Templating Engine Plugin \u003c=2.1"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-21646",
  "serverity": "\u4e2d",
  "submitTime": "2021-04-23",
  "title": "Jenkins Templating Engine Plugin\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e"
}

CVE-2021-21646 (GCVE-0-2021-21646)

Vulnerability from cvelistv5 – Published: 2021-04-21 14:20 – Updated: 2024-08-03 18:16

Summary

Jenkins Templating Engine Plugin 2.1 and earlier does not protect its pipeline configurations using Script Security Plugin, allowing attackers with Job/Configure permission to execute arbitrary code in the context of the Jenkins controller JVM.

Severity

No CVSS data available.

Assigner

jenkins mitre root Scorecard

References

2 references

URL	Tags
https://www.jenkins.io/security/advisory/2021-04-…	x_refsource_CONFIRM
http://www.openwall.com/lists/oss-security/2021/04/21/2	mailing-listx_refsource_MLIST

Impacted products

1 product

Vendor	Product	Version
Jenkins project	Jenkins Templating Engine Plugin	Affected: unspecified , ≤ 2.1 (custom)

Show details on NVD website

JSON

To clipboard

{
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        "providerMetadata": {
          "dateUpdated": "2024-08-03T18:16:23.698Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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              "x_transferred"
            ],
            "url": "https://www.jenkins.io/security/advisory/2021-04-21/#SECURITY-2311"
          },
          {
            "name": "[oss-security] 20210421 Multiple vulnerabilities in Jenkins plugins",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2021/04/21/2"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Jenkins Templating Engine Plugin",
          "vendor": "Jenkins project",
          "versions": [
            {
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              "versionType": "custom"
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      ],
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        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-10-24T15:51:10.543Z",
        "orgId": "39769cd5-e6e2-4dc8-927e-97b3aa056f5b",
        "shortName": "jenkins"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://www.jenkins.io/security/advisory/2021-04-21/#SECURITY-2311"
        },
        {
          "name": "[oss-security] 20210421 Multiple vulnerabilities in Jenkins plugins",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2021/04/21/2"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "jenkinsci-cert@googlegroups.com",
          "ID": "CVE-2021-21646",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
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                      "product_name": "Jenkins Templating Engine Plugin",
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        "description": {
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            }
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        },
        "problemtype": {
          "problemtype_data": [
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                {
                  "lang": "eng",
                  "value": "CWE-693: Protection Mechanism Failure"
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        "references": {
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    "datePublished": "2021-04-21T14:20:35.000Z",
    "dateReserved": "2021-01-04T00:00:00.000Z",
    "dateUpdated": "2024-08-03T18:16:23.698Z",
    "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.

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-2021-49086

CVE-2021-21646 (GCVE-0-2021-21646)

Tags

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Nomenclature

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