Vulnerability from bitnami_vulndb
Published
2024-03-06 11:10
Modified
2025-11-06 13:25
Summary
Apache Tomcat h2c request mix-up
Details

When responding to new h2c connection requests, Apache Tomcat versions 10.0.0-M1 to 10.0.0, 9.0.0.M1 to 9.0.41 and 8.5.0 to 8.5.61 could duplicate request headers and a limited amount of request body from one request to another meaning user A and user B could both see the results of user A's request.

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{
  "affected": [
    {
      "package": {
        "ecosystem": "Bitnami",
        "name": "tomcat",
        "purl": "pkg:bitnami/tomcat"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "8.5.0"
            },
            {
              "fixed": "8.5.62"
            },
            {
              "introduced": "9.0.0"
            },
            {
              "fixed": "9.0.42"
            },
            {
              "introduced": "10.0.0"
            },
            {
              "fixed": "10.0.1"
            }
          ],
          "type": "SEMVER"
        }
      ],
      "severity": [
        {
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "type": "CVSS_V3"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2021-25122"
  ],
  "database_specific": {
    "cpes": [
      "cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*",
      "cpe:2.3:a:apache:tomcat:10.0.0:-:*:*:*:*:*:*",
      "cpe:2.3:a:apache:tomcat:10.0.0:milestone10:*:*:*:*:*:*",
      "cpe:2.3:a:apache:tomcat:10.0.0:milestone1:*:*:*:*:*:*",
      "cpe:2.3:a:apache:tomcat:10.0.0:milestone2:*:*:*:*:*:*",
      "cpe:2.3:a:apache:tomcat:10.0.0:milestone3:*:*:*:*:*:*",
      "cpe:2.3:a:apache:tomcat:10.0.0:milestone4:*:*:*:*:*:*",
      "cpe:2.3:a:apache:tomcat:10.0.0:milestone5:*:*:*:*:*:*",
      "cpe:2.3:a:apache:tomcat:10.0.0:milestone6:*:*:*:*:*:*",
      "cpe:2.3:a:apache:tomcat:10.0.0:milestone7:*:*:*:*:*:*",
      "cpe:2.3:a:apache:tomcat:10.0.0:milestone8:*:*:*:*:*:*",
      "cpe:2.3:a:apache:tomcat:10.0.0:milestone9:*:*:*:*:*:*",
      "cpe:2.3:a:apache:tomcat:9.0.0:milestone10:*:*:*:*:*:*",
      "cpe:2.3:a:apache:tomcat:9.0.0:milestone11:*:*:*:*:*:*",
      "cpe:2.3:a:apache:tomcat:9.0.0:milestone12:*:*:*:*:*:*",
      "cpe:2.3:a:apache:tomcat:9.0.0:milestone13:*:*:*:*:*:*",
      "cpe:2.3:a:apache:tomcat:9.0.0:milestone14:*:*:*:*:*:*",
      "cpe:2.3:a:apache:tomcat:9.0.0:milestone15:*:*:*:*:*:*",
      "cpe:2.3:a:apache:tomcat:9.0.0:milestone16:*:*:*:*:*:*",
      "cpe:2.3:a:apache:tomcat:9.0.0:milestone17:*:*:*:*:*:*",
      "cpe:2.3:a:apache:tomcat:9.0.0:milestone18:*:*:*:*:*:*",
      "cpe:2.3:a:apache:tomcat:9.0.0:milestone19:*:*:*:*:*:*",
      "cpe:2.3:a:apache:tomcat:9.0.0:milestone1:*:*:*:*:*:*",
      "cpe:2.3:a:apache:tomcat:9.0.0:milestone20:*:*:*:*:*:*",
      "cpe:2.3:a:apache:tomcat:9.0.0:milestone21:*:*:*:*:*:*",
      "cpe:2.3:a:apache:tomcat:9.0.0:milestone22:*:*:*:*:*:*",
      "cpe:2.3:a:apache:tomcat:9.0.0:milestone23:*:*:*:*:*:*",
      "cpe:2.3:a:apache:tomcat:9.0.0:milestone24:*:*:*:*:*:*",
      "cpe:2.3:a:apache:tomcat:9.0.0:milestone25:*:*:*:*:*:*",
      "cpe:2.3:a:apache:tomcat:9.0.0:milestone26:*:*:*:*:*:*",
      "cpe:2.3:a:apache:tomcat:9.0.0:milestone27:*:*:*:*:*:*",
      "cpe:2.3:a:apache:tomcat:9.0.0:milestone2:*:*:*:*:*:*",
      "cpe:2.3:a:apache:tomcat:9.0.0:milestone3:*:*:*:*:*:*",
      "cpe:2.3:a:apache:tomcat:9.0.0:milestone4:*:*:*:*:*:*",
      "cpe:2.3:a:apache:tomcat:9.0.0:milestone5:*:*:*:*:*:*"
    ],
    "severity": "High"
  },
  "details": "When responding to new h2c connection requests, Apache Tomcat versions 10.0.0-M1 to 10.0.0, 9.0.0.M1 to 9.0.41 and 8.5.0 to 8.5.61 could duplicate request headers and a limited amount of request body from one request to another meaning user A and user B could both see the results of user A\u0027s request.",
  "id": "BIT-tomcat-2021-25122",
  "modified": "2025-11-06T13:25:46.476Z",
  "published": "2024-03-06T11:10:22.561Z",
  "references": [
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2021/03/01/1"
    },
    {
      "type": "WEB",
      "url": "https://lists.apache.org/thread.html/r7b95bc248603360501f18c8eb03bb6001ec0ee3296205b34b07105b7%40%3Cannounce.apache.org%3E"
    },
    {
      "type": "WEB",
      "url": "https://lists.apache.org/thread.html/r7b95bc248603360501f18c8eb03bb6001ec0ee3296205b34b07105b7%40%3Cannounce.tomcat.apache.org%3E"
    },
    {
      "type": "WEB",
      "url": "https://lists.apache.org/thread.html/r7b95bc248603360501f18c8eb03bb6001ec0ee3296205b34b07105b7%40%3Cdev.tomcat.apache.org%3E"
    },
    {
      "type": "WEB",
      "url": "https://lists.apache.org/thread.html/r7b95bc248603360501f18c8eb03bb6001ec0ee3296205b34b07105b7%40%3Cusers.tomcat.apache.org%3E"
    },
    {
      "type": "WEB",
      "url": "https://lists.apache.org/thread.html/rcd90bf36b1877e1310b87ecd14ed7bbb15da52b297efd9f0e7253a3b%40%3Cusers.tomcat.apache.org%3E"
    },
    {
      "type": "WEB",
      "url": "https://lists.apache.org/thread.html/rd0463f9a5cbc02a485404c4b990f0da452e5ac5c237808edba11c947%40%3Cusers.tomcat.apache.org%3E"
    },
    {
      "type": "WEB",
      "url": "https://lists.apache.org/thread.html/rf6d5d57b114678d8898005faef31e9fd6d7c981fcc4ccfc3bc272fc9%40%3Cdev.tomcat.apache.org%3E"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2021/03/msg00018.html"
    },
    {
      "type": "WEB",
      "url": "https://security.gentoo.org/glsa/202208-34"
    },
    {
      "type": "WEB",
      "url": "https://security.netapp.com/advisory/ntap-20210409-0002/"
    },
    {
      "type": "WEB",
      "url": "https://www.debian.org/security/2021/dsa-4891"
    },
    {
      "type": "WEB",
      "url": "https://www.oracle.com//security-alerts/cpujul2021.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://nvd.nist.gov/vuln/detail/CVE-2021-25122"
    }
  ],
  "schema_version": "1.5.0",
  "summary": "Apache Tomcat h2c request mix-up"
}


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