Security advisory

{
  "id": "3f449be7ebf7b888ed3ef676051dfb226975de0713f67e4bde284fa8fed419e5",
  "url": "https://osv.dev/vulnerability/CVE-2019-10754",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2019-10754",
    "summary": "Multiple classes used within Apereo CAS before release 6.1.0-RC5 makes use of apache commons-lang3 RandomStringUtils for token and ID generation which makes them predictable due to RandomStringUtils PRNG's algorithm not being cryptographically strong.",
    "evidence": "osv:CVE-2019-10754",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2019-10754",
      "aliases": [
        "CVE-2019-10754",
        "GHSA-g24w-373r-5pxg"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/apereo/cas",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "c5fb7272b09461ff54f3f8ed055404fa076cb1f3"
                },
                {
                  "introduced": "c5982f32f7e289281530ade735e25c535e73a3ae"
                },
                {
                  "last_affected": "5cf41c7f44c4cef5c00233e5e3931ceae5f8c5b0"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:apereo:central_authentication_service:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "6.0.5.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:apereo:central_authentication_service:6.1.0:rc1:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "6.1.0-rc1"
                      },
                      {
                        "last_affected": "6.1.0-rc1"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:apereo:central_authentication_service:6.1.0:rc2:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "6.1.0-rc2"
                      },
                      {
                        "last_affected": "6.1.0-rc2"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:apereo:central_authentication_service:6.1.0:rc3:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "6.1.0-rc3"
                      },
                      {
                        "last_affected": "6.1.0-rc3"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:apereo:central_authentication_service:6.1.0:rc4:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "6.1.0-rc4"
                      },
                      {
                        "last_affected": "6.1.0-rc4"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "6.1.0-rc1",
            "6.1.0-rc2",
            "6.1.0-rc3",
            "6.1.0-rc4",
            "v6.0.5.1",
            "v6.0.5",
            "v6.1.0-RC4",
            "v6.1.0-RC3",
            "v6.0.0-RC4",
            "v6.0.0-RC3",
            "v5.2.0-RC1",
            "v5.1.0-RC4",
            "v5.1.0-RC3",
            "v5.1.0-RC1",
            "v5.1.0.RC1",
            "v5.0.0",
            "v5.0.0.RC4",
            "v5.0.0.RC3",
            "v5.0.0.RC2",
            "v5.0.0.RC1",
            "v4.1.0-RC2",
            "v4.1.0-RC1",
            "v4.0.0",
            "v4.0.0-RC4",
            "v4.0.0-RC3",
            "v4.0.0-RC2",
            "v4.0.0-RC1",
            "v3.5.1-RC1",
            "v3.5.0",
            "v3.5.0-RC2",
            "v3.5.0-RC1",
            "v3.4.11",
            "3.4.11-RC1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-10754.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:48.072893612Z",
      "provider": "osv",
      "references": [
        "https://snyk.io/vuln/SNYK-JAVA-ORGAPEREOCAS-467402",
        "https://snyk.io/vuln/SNYK-JAVA-ORGAPEREOCAS-467404",
        "https://snyk.io/vuln/SNYK-JAVA-ORGAPEREOCAS-467406",
        "https://snyk.io/vuln/SNYK-JAVA-ORGAPEREOCAS-468868",
        "https://snyk.io/vuln/SNYK-JAVA-ORGAPEREOCAS-468869"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2019-10754",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 436683,
  "published_at": "2019-09-23T23:15:10.64+00:00"
}