Vulnerability from bitnami_vulndb
Published
2025-09-12 11:46
Modified
2026-09-10 15:46
Summary
Details

In Eclipse Jetty 9.4.6.v20170531 to 9.4.36.v20210114 (inclusive), 10.0.0, and 11.0.0 when Jetty handles a request containing multiple Accept headers with a large number of “quality” (i.e. q) parameters, the server may enter a denial of service (DoS) state due to high CPU usage processing those quality values, resulting in minutes of CPU time exhausted processing those quality values.

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{
  "affected": [
    {
      "package": {
        "ecosystem": "Bitnami",
        "name": "nifi",
        "purl": "pkg:bitnami/nifi"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "1.13.0"
            },
            {
              "last_affected": "1.13.0"
            }
          ],
          "type": "SEMVER"
        }
      ],
      "severity": [
        {
          "score": "CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H",
          "type": "CVSS_V3"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2020-27223"
  ],
  "database_specific": {
    "cpes": [
      "cpe:2.3:a:apache:nifi:*:*:*:*:*:*:*:*"
    ],
    "severity": "Medium"
  },
  "details": "In Eclipse Jetty 9.4.6.v20170531 to 9.4.36.v20210114 (inclusive), 10.0.0, and 11.0.0 when Jetty handles a request containing multiple Accept headers with a large number of \u201cquality\u201d (i.e. q) parameters, the server may enter a denial of service (DoS) state due to high CPU usage processing those quality values, resulting in minutes of CPU time exhausted processing those quality values.",
  "id": "BIT-nifi-2020-27223",
  "modified": "2026-09-10T15:46:03.895Z",
  "published": "2025-09-12T11:46:41.115Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://bugs.eclipse.org/bugs/show_bug.cgi?id=571128"
    },
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    },
    {
      "type": "WEB",
      "url": "https://github.com/jetty/jetty.project/commit/10e531756b972162eed402c44d0244f7f6b85131"
    },
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      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-27223"
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      "url": "https://security.netapp.com/advisory/ntap-20210401-0005/"
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    {
      "type": "ADVISORY",
      "url": "https://www.debian.org/security/2021/dsa-4949"
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    {
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      "url": "https://www.oracle.com/security-alerts/cpuApr2021.html"
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  "schema_version": "1.6.2"
}



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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.



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