ubuntu-cve-2021-25329
Vulnerability from osv_ubuntu
Published
2021-03-01 12:15
Modified
2026-06-04 10:38
Summary
Details

The fix for CVE-2020-9484 was incomplete. When using Apache Tomcat 10.0.0-M1 to 10.0.0, 9.0.0.M1 to 9.0.41, 8.5.0 to 8.5.61 or 7.0.0. to 7.0.107 with a configuration edge case that was highly unlikely to be used, the Tomcat instance was still vulnerable to CVE-2020-9494. Note that both the previously published prerequisites for CVE-2020-9484 and the previously published mitigations for CVE-2020-9484 also apply to this issue.

Severity
7.0 (High)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
N/A (UNKNOWN)
low
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "libservlet3.0-java",
            "binary_version": "7.0.52-1ubuntu0.16+esm1"
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            "binary_version": "7.0.52-1ubuntu0.16+esm1"
          },
          {
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          },
          {
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            "binary_version": "7.0.52-1ubuntu0.16+esm1"
          },
          {
            "binary_name": "tomcat7-common",
            "binary_version": "7.0.52-1ubuntu0.16+esm1"
          },
          {
            "binary_name": "tomcat7-docs",
            "binary_version": "7.0.52-1ubuntu0.16+esm1"
          },
          {
            "binary_name": "tomcat7-examples",
            "binary_version": "7.0.52-1ubuntu0.16+esm1"
          },
          {
            "binary_name": "tomcat7-user",
            "binary_version": "7.0.52-1ubuntu0.16+esm1"
          }
        ]
      },
      "package": {
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        "name": "tomcat7",
        "purl": "pkg:deb/ubuntu/tomcat7@7.0.52-1ubuntu0.16+esm1?arch=source\u0026distro=trusty/esm"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
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            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
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        "7.0.47-1",
        "7.0.50-1",
        "7.0.52-1",
        "7.0.52-1ubuntu0.1",
        "7.0.52-1ubuntu0.3",
        "7.0.52-1ubuntu0.6",
        "7.0.52-1ubuntu0.7",
        "7.0.52-1ubuntu0.8",
        "7.0.52-1ubuntu0.9",
        "7.0.52-1ubuntu0.10",
        "7.0.52-1ubuntu0.11",
        "7.0.52-1ubuntu0.13",
        "7.0.52-1ubuntu0.14",
        "7.0.52-1ubuntu0.15",
        "7.0.52-1ubuntu0.16"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libservlet2.4-java",
            "binary_version": "6.0.39-1ubuntu0.1+esm3"
          },
          {
            "binary_name": "libservlet2.5-java",
            "binary_version": "6.0.39-1ubuntu0.1+esm3"
          },
          {
            "binary_name": "libtomcat6-java",
            "binary_version": "6.0.39-1ubuntu0.1+esm3"
          },
          {
            "binary_name": "tomcat6",
            "binary_version": "6.0.39-1ubuntu0.1+esm3"
          },
          {
            "binary_name": "tomcat6-admin",
            "binary_version": "6.0.39-1ubuntu0.1+esm3"
          },
          {
            "binary_name": "tomcat6-common",
            "binary_version": "6.0.39-1ubuntu0.1+esm3"
          },
          {
            "binary_name": "tomcat6-docs",
            "binary_version": "6.0.39-1ubuntu0.1+esm3"
          },
          {
            "binary_name": "tomcat6-examples",
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          },
          {
            "binary_name": "tomcat6-extras",
            "binary_version": "6.0.39-1ubuntu0.1+esm3"
          },
          {
            "binary_name": "tomcat6-user",
            "binary_version": "6.0.39-1ubuntu0.1+esm3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:14.04:LTS",
        "name": "tomcat6",
        "purl": "pkg:deb/ubuntu/tomcat6@6.0.39-1ubuntu0.1+esm3?arch=source\u0026distro=esm-infra-legacy/trusty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "6.0.37-1",
        "6.0.39-1",
        "6.0.39-1ubuntu0.1",
        "6.0.39-1ubuntu0.1+esm1",
        "6.0.39-1ubuntu0.1+esm2",
        "6.0.39-1ubuntu0.1+esm3"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "libservlet3.0-java",
            "binary_version": "7.0.68-1ubuntu0.4+esm2"
          },
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            "binary_name": "libtomcat7-java",
            "binary_version": "7.0.68-1ubuntu0.4+esm2"
          },
          {
            "binary_name": "tomcat7",
            "binary_version": "7.0.68-1ubuntu0.4+esm2"
          },
          {
            "binary_name": "tomcat7-admin",
            "binary_version": "7.0.68-1ubuntu0.4+esm2"
          },
          {
            "binary_name": "tomcat7-common",
            "binary_version": "7.0.68-1ubuntu0.4+esm2"
          },
          {
            "binary_name": "tomcat7-docs",
            "binary_version": "7.0.68-1ubuntu0.4+esm2"
          },
          {
            "binary_name": "tomcat7-examples",
            "binary_version": "7.0.68-1ubuntu0.4+esm2"
          },
          {
            "binary_name": "tomcat7-user",
            "binary_version": "7.0.68-1ubuntu0.4+esm2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "tomcat7",
        "purl": "pkg:deb/ubuntu/tomcat7@7.0.68-1ubuntu0.4+esm2?arch=source\u0026distro=esm-apps/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "7.0.68-1ubuntu0.4+esm2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "7.0.64-1",
        "7.0.68-1",
        "7.0.68-1ubuntu0.1",
        "7.0.68-1ubuntu0.3",
        "7.0.68-1ubuntu0.4",
        "7.0.68-1ubuntu0.4+esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libservlet3.1-java",
            "binary_version": "8.0.32-1ubuntu1.13+esm1"
          },
          {
            "binary_name": "libtomcat8-java",
            "binary_version": "8.0.32-1ubuntu1.13+esm1"
          },
          {
            "binary_name": "tomcat8",
            "binary_version": "8.0.32-1ubuntu1.13+esm1"
          },
          {
            "binary_name": "tomcat8-admin",
            "binary_version": "8.0.32-1ubuntu1.13+esm1"
          },
          {
            "binary_name": "tomcat8-common",
            "binary_version": "8.0.32-1ubuntu1.13+esm1"
          },
          {
            "binary_name": "tomcat8-docs",
            "binary_version": "8.0.32-1ubuntu1.13+esm1"
          },
          {
            "binary_name": "tomcat8-examples",
            "binary_version": "8.0.32-1ubuntu1.13+esm1"
          },
          {
            "binary_name": "tomcat8-user",
            "binary_version": "8.0.32-1ubuntu1.13+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "tomcat8",
        "purl": "pkg:deb/ubuntu/tomcat8@8.0.32-1ubuntu1.13+esm1?arch=source\u0026distro=esm-infra/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "8.0.26-1",
        "8.0.28-1",
        "8.0.30-1",
        "8.0.32-1",
        "8.0.32-1ubuntu1",
        "8.0.32-1ubuntu1.1",
        "8.0.32-1ubuntu1.2",
        "8.0.32-1ubuntu1.3",
        "8.0.32-1ubuntu1.4",
        "8.0.32-1ubuntu1.5",
        "8.0.32-1ubuntu1.6",
        "8.0.32-1ubuntu1.7",
        "8.0.32-1ubuntu1.8",
        "8.0.32-1ubuntu1.9",
        "8.0.32-1ubuntu1.10",
        "8.0.32-1ubuntu1.11",
        "8.0.32-1ubuntu1.13",
        "8.0.32-1ubuntu1.13+esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libtomcat9-embed-java",
            "binary_version": "9.0.16-3ubuntu0.18.04.2"
          },
          {
            "binary_name": "libtomcat9-java",
            "binary_version": "9.0.16-3ubuntu0.18.04.2"
          },
          {
            "binary_name": "tomcat9",
            "binary_version": "9.0.16-3ubuntu0.18.04.2"
          },
          {
            "binary_name": "tomcat9-admin",
            "binary_version": "9.0.16-3ubuntu0.18.04.2"
          },
          {
            "binary_name": "tomcat9-common",
            "binary_version": "9.0.16-3ubuntu0.18.04.2"
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          {
            "binary_name": "tomcat9-docs",
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          },
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            "binary_name": "tomcat9-examples",
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          {
            "binary_name": "tomcat9-user",
            "binary_version": "9.0.16-3ubuntu0.18.04.2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "tomcat9",
        "purl": "pkg:deb/ubuntu/tomcat9@9.0.16-3ubuntu0.18.04.2?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "9.0.16-3ubuntu0.18.04.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "9.0.16-3~18.04.1",
        "9.0.16-3ubuntu0.18.04.1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "libservlet3.0-java",
            "binary_version": "7.0.78-1ubuntu0.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "tomcat7",
        "purl": "pkg:deb/ubuntu/tomcat7@7.0.78-1ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "7.0.78-1ubuntu0.1~esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "7.0.78-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libtomcat8-embed-java",
            "binary_version": "8.5.39-1ubuntu1~18.04.3+esm5"
          },
          {
            "binary_name": "libtomcat8-java",
            "binary_version": "8.5.39-1ubuntu1~18.04.3+esm5"
          },
          {
            "binary_name": "tomcat8",
            "binary_version": "8.5.39-1ubuntu1~18.04.3+esm5"
          },
          {
            "binary_name": "tomcat8-admin",
            "binary_version": "8.5.39-1ubuntu1~18.04.3+esm5"
          },
          {
            "binary_name": "tomcat8-common",
            "binary_version": "8.5.39-1ubuntu1~18.04.3+esm5"
          },
          {
            "binary_name": "tomcat8-docs",
            "binary_version": "8.5.39-1ubuntu1~18.04.3+esm5"
          },
          {
            "binary_name": "tomcat8-examples",
            "binary_version": "8.5.39-1ubuntu1~18.04.3+esm5"
          },
          {
            "binary_name": "tomcat8-user",
            "binary_version": "8.5.39-1ubuntu1~18.04.3+esm5"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "tomcat8",
        "purl": "pkg:deb/ubuntu/tomcat8@8.5.39-1ubuntu1~18.04.3+esm5?arch=source\u0026distro=esm-apps/bionic"
      },
      "ranges": [
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          "type": "ECOSYSTEM"
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      ],
      "versions": [
        "8.5.21-1ubuntu1",
        "8.5.29-1",
        "8.5.30-1",
        "8.5.30-1ubuntu1",
        "8.5.30-1ubuntu1.2",
        "8.5.30-1ubuntu1.3",
        "8.5.30-1ubuntu1.4",
        "8.5.39-1ubuntu1~18.04.1",
        "8.5.39-1ubuntu1~18.04.2",
        "8.5.39-1ubuntu1~18.04.3",
        "8.5.39-1ubuntu1~18.04.3+esm1",
        "8.5.39-1ubuntu1~18.04.3+esm2",
        "8.5.39-1ubuntu1~18.04.3+esm3",
        "8.5.39-1ubuntu1~18.04.3+esm4",
        "8.5.39-1ubuntu1~18.04.3+esm5"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libtomcat9-embed-java",
            "binary_version": "9.0.31-1ubuntu0.2"
          },
          {
            "binary_name": "libtomcat9-java",
            "binary_version": "9.0.31-1ubuntu0.2"
          },
          {
            "binary_name": "tomcat9",
            "binary_version": "9.0.31-1ubuntu0.2"
          },
          {
            "binary_name": "tomcat9-admin",
            "binary_version": "9.0.31-1ubuntu0.2"
          },
          {
            "binary_name": "tomcat9-common",
            "binary_version": "9.0.31-1ubuntu0.2"
          },
          {
            "binary_name": "tomcat9-docs",
            "binary_version": "9.0.31-1ubuntu0.2"
          },
          {
            "binary_name": "tomcat9-examples",
            "binary_version": "9.0.31-1ubuntu0.2"
          },
          {
            "binary_name": "tomcat9-user",
            "binary_version": "9.0.31-1ubuntu0.2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "tomcat9",
        "purl": "pkg:deb/ubuntu/tomcat9@9.0.31-1ubuntu0.2?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "9.0.31-1ubuntu0.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "9.0.24-1",
        "9.0.27-1",
        "9.0.31-1",
        "9.0.31-1ubuntu0.1"
      ]
    }
  ],
  "aliases": [],
  "details": "The fix for CVE-2020-9484 was incomplete. When using Apache Tomcat 10.0.0-M1 to 10.0.0, 9.0.0.M1 to 9.0.41, 8.5.0 to 8.5.61 or 7.0.0. to 7.0.107 with a configuration edge case that was highly unlikely to be used, the Tomcat instance was still vulnerable to CVE-2020-9494. Note that both the previously published prerequisites for CVE-2020-9484 and the previously published mitigations for CVE-2020-9484 also apply to this issue.",
  "id": "UBUNTU-CVE-2021-25329",
  "modified": "2026-06-04T10:38:31Z",
  "published": "2021-03-01T12:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-25329"
    },
    {
      "type": "REPORT",
      "url": "https://www.openwall.com/lists/oss-security/2021/03/01/2"
    },
    {
      "type": "REPORT",
      "url": "http://www.openwall.com/lists/oss-security/2021/03/01/2"
    },
    {
      "type": "REPORT",
      "url": "https://lists.apache.org/thread.html/rf6d5d57b114678d8898005faef31e9fd6d7c981fcc4ccfc3bc272fc9@%3Cdev.tomcat.apache.org%3E"
    },
    {
      "type": "REPORT",
      "url": "https://lists.apache.org/thread.html/rfe62fbf9d4c314f166fe8c668e50e5d9dd882a99447f26f0367474bf%40%3Cannounce.tomcat.apache.org%3E"
    },
    {
      "type": "REPORT",
      "url": "https://lists.apache.org/thread.html/rfe62fbf9d4c314f166fe8c668e50e5d9dd882a99447f26f0367474bf@%3Cannounce.apache.org%3E"
    },
    {
      "type": "REPORT",
      "url": "https://lists.apache.org/thread.html/rfe62fbf9d4c314f166fe8c668e50e5d9dd882a99447f26f0367474bf@%3Cannounce.tomcat.apache.org%3E"
    },
    {
      "type": "REPORT",
      "url": "https://lists.apache.org/thread.html/rfe62fbf9d4c314f166fe8c668e50e5d9dd882a99447f26f0367474bf@%3Cdev.tomcat.apache.org%3E"
    },
    {
      "type": "REPORT",
      "url": "https://lists.apache.org/thread.html/rfe62fbf9d4c314f166fe8c668e50e5d9dd882a99447f26f0367474bf@%3Cusers.tomcat.apache.org%3E"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-5360-1"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-25329"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-6908-1"
    }
  ],
  "related": [
    "USN-5360-1",
    "USN-6908-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "low",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2021-25329"
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.


Detection rules are retrieved from Rulezet.