Skip to content
Heist/ feed
Back to feed
Medium

Security advisory

Type: advisorySources: OSVCVE: CVE-2020-1722

A flaw was found in all ipa versions 4.x.x through 4.8.0. When sending a very long password (>= 1,000,000 characters) to the server, the password hashing process could exhaust memory and CPU leading to a denial of service and the website becoming unresponsive. The highest threat from this vulnerability is to system availability.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2020-1722
Confirmed fixed CVEs
Not specified
Updated in this feed
1 Nov 2026, 05:06 UTC · Revision 1

Source evidence

CVE-2020-1722

core-osv · Original source

Published 27 Apr 2020, 21:15 UTC

A flaw was found in all ipa versions 4.x.x through 4.8.0. When sending a very long password (>= 1,000,000 characters) to the server, the password hashing process could exhaust memory and CPU leading to a denial of service and the website becoming unresponsive. The highest threat from this vulnerability is to system availability.

osv:CVE-2020-1722
Complete source record
{
  "id": "37ca0cecbcf6cedc653f1a904859c8ff6453b0a3a98ab44ad4c0bf9363bac65f",
  "url": "https://osv.dev/vulnerability/CVE-2020-1722",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-1722",
    "summary": "A flaw was found in all ipa versions 4.x.x through 4.8.0. When sending a very long password (>= 1,000,000 characters) to the server, the password hashing process could exhaust memory and CPU leading to a denial of service and the website becoming unresponsive. The highest threat from this vulnerability is to system availability.",
    "evidence": "osv:CVE-2020-1722",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2020-1722",
      "aliases": [
        "CVE-2020-1722"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/freeipa/freeipa",
              "type": "GIT",
              "events": [
                {
                  "introduced": "1e58588ec274d5da0f020b2c6af2824313ea0ea7"
                },
                {
                  "last_affected": "15db87855109d8ffea2c5b12f092180eb2d4c852"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:freeipa:freeipa:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "4.0.0"
                      },
                      {
                        "last_affected": "4.8.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "release-4-8-0",
            "rc_4-8-0-1",
            "rc_4-7-0-2",
            "rc_4-7-0-1",
            "release-4-4-1",
            "release-4-4-0",
            "alpha_1-4-4-0",
            "release-4-2-0",
            "alpha_1-4-2-0",
            "release-4-0-0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-1722.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:24.636037806Z",
      "provider": "osv",
      "references": [
        "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1722"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*",
              "cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*",
              "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "redhat:enterprise_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "6.0"
                  },
                  {
                    "last_affected": "6.0"
                  },
                  {
                    "introduced": "7.0"
                  },
                  {
                    "last_affected": "7.0"
                  },
                  {
                    "introduced": "8.0"
                  },
                  {
                    "last_affected": "8.0"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2020-1722",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 431185,
  "published_at": "2020-04-27T21:15:13.64+00:00"
}