Vulnerability from bitnami_vulndb
Published
2025-12-03 14:35
Modified
2025-12-03 15:08
Summary
Remote Code Execution in XStream
Details

XStream before version 1.4.14 is vulnerable to Remote Code Execution.The vulnerability may allow a remote attacker to run arbitrary shell commands only by manipulating the processed input stream. Only users who rely on blocklists are affected. Anyone using XStream's Security Framework allowlist is not affected. The linked advisory provides code workarounds for users who cannot upgrade. The issue is fixed in version 1.4.14.

To clipboard Create KEV Entry 

{
  "affected": [
    {
      "package": {
        "ecosystem": "Bitnami",
        "name": "activemq",
        "purl": "pkg:bitnami/activemq"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.15.14"
            }
          ],
          "type": "SEMVER"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "last_affected": "5.16.0"
            }
          ],
          "type": "SEMVER"
        }
      ],
      "severity": [
        {
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "type": "CVSS_V3"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2020-26217"
  ],
  "database_specific": {
    "cpes": [
      "cpe:2.3:a:apache:activemq:*:*:*:*:*:*:*:*"
    ],
    "severity": "High"
  },
  "details": "XStream before version 1.4.14 is vulnerable to Remote Code Execution.The vulnerability may allow a remote attacker to run arbitrary shell commands only by manipulating the processed input stream. Only users who rely on blocklists are affected. Anyone using XStream\u0027s Security Framework allowlist is not affected. The linked advisory provides code workarounds for users who cannot upgrade. The issue is fixed in version 1.4.14.",
  "id": "BIT-activemq-2020-26217",
  "modified": "2025-12-03T15:08:24.036Z",
  "published": "2025-12-03T14:35:16.352Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/x-stream/xstream/commit/0fec095d534126931c99fd38e9c6d41f5c685c1a"
    },
    {
      "type": "WEB",
      "url": "https://github.com/x-stream/xstream/security/advisories/GHSA-mw36-7c6c-q4q2"
    },
    {
      "type": "WEB",
      "url": "https://lists.apache.org/thread.html/r2de526726e7f4db4a7cb91b7355070779f51a84fd985c6529c2f4e9e%40%3Cissues.activemq.apache.org%3E"
    },
    {
      "type": "WEB",
      "url": "https://lists.apache.org/thread.html/r7c9fc255edc0b9cd9567093d131f6d33fde4c662aaf912460ef630e9%40%3Ccommits.camel.apache.org%3E"
    },
    {
      "type": "WEB",
      "url": "https://lists.apache.org/thread.html/r826a006fda71cc96fc87b6eca4b5d195f19a292ad36cea501682c38c%40%3Cissues.activemq.apache.org%3E"
    },
    {
      "type": "WEB",
      "url": "https://lists.apache.org/thread.html/redde3609b89b2a4ff18b536a06ef9a77deb93d47fda8ed28086fa8c3%40%3Cissues.activemq.apache.org%3E"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2020/12/msg00001.html"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-26217"
    },
    {
      "type": "WEB",
      "url": "https://security.netapp.com/advisory/ntap-20210409-0004/"
    },
    {
      "type": "WEB",
      "url": "https://www.debian.org/security/2020/dsa-4811"
    },
    {
      "type": "WEB",
      "url": "https://www.oracle.com//security-alerts/cpujul2021.html"
    },
    {
      "type": "WEB",
      "url": "https://www.oracle.com/security-alerts/cpuApr2021.html"
    },
    {
      "type": "WEB",
      "url": "https://www.oracle.com/security-alerts/cpuapr2022.html"
    },
    {
      "type": "WEB",
      "url": "https://www.oracle.com/security-alerts/cpujan2022.html"
    },
    {
      "type": "WEB",
      "url": "https://www.oracle.com/security-alerts/cpuoct2021.html"
    },
    {
      "type": "WEB",
      "url": "https://x-stream.github.io/CVE-2020-26217.html"
    }
  ],
  "schema_version": "1.6.2",
  "summary": "Remote Code Execution in XStream"
}


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  • 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.
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  • 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.



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