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Security advisory

Type: advisorySources: OSVCVE: CVE-2021-41034

The build of some language stacks of Eclipse Che version 6 includes pulling some binaries from an unsecured HTTP endpoint. As a consequence the builds of such stacks are vulnerable to MITM attacks that allow the replacement of the original binaries with arbitrary ones. The stacks involved are Java 8 (alpine and centos), Android and PHP. The vulnerability is not exploitable at runtime but only when building Che.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2021-41034
Confirmed fixed CVEs
Not specified
Updated in this feed
1 Nov 2026, 04:15 UTC · Revision 1

Source evidence

CVE-2021-41034

core-osv · Original source

Published 29 Sept 2021, 22:15 UTC

The build of some language stacks of Eclipse Che version 6 includes pulling some binaries from an unsecured HTTP endpoint. As a consequence the builds of such stacks are vulnerable to MITM attacks that allow the replacement of the original binaries with arbitrary ones. The stacks involved are Java 8 (alpine and centos), Android and PHP. The vulnerability is not exploitable at runtime but only when building Che.

osv:CVE-2021-41034
Complete source record
{
  "id": "e9149044af097da43de870b9a03832055c41913e83bc97640192c9c076930777",
  "url": "https://osv.dev/vulnerability/CVE-2021-41034",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-41034",
    "summary": "The build of some language stacks of Eclipse Che version 6 includes pulling some binaries from an unsecured HTTP endpoint. As a consequence the builds of such stacks are vulnerable to MITM attacks that allow the replacement of the original binaries with arbitrary ones. The stacks involved are Java 8 (alpine and centos), Android and PHP. The vulnerability is not exploitable at runtime but only when building Che.",
    "evidence": "osv:CVE-2021-41034",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2021-41034",
      "aliases": [
        "CVE-2021-41034"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/eclipse-che/che",
              "type": "GIT",
              "events": [
                {
                  "introduced": "26f6766390f6ff7481ce296cafc8d07d638160b4"
                },
                {
                  "fixed": "bc4c55a2926bfe74598a838202d9de4b7c830485"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:eclipse:che:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "6.0.0"
                      },
                      {
                        "fixed": "7.0.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-41034.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:16.019949929Z",
      "provider": "osv",
      "references": [
        "https://bugs.eclipse.org/bugs/show_bug.cgi?id=540989"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-41034",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 429263,
  "published_at": "2021-09-29T22:15:07.367+00:00"
}