{
  "affected": [
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.springframework:spring-expression"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.0.0"
            },
            {
              "fixed": "6.0.7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.springframework:spring-expression"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.3.0"
            },
            {
              "fixed": "5.3.26"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.springframework:spring-expression"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.2.23.RELEASE"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2023-20861"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-917"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2023-03-23T23:10:59Z",
    "nvd_published_at": "2023-03-23T21:15:00Z",
    "severity": "MODERATE"
  },
  "details": "In Spring Framework versions 6.0.0 - 6.0.6, 5.3.0 - 5.3.25, 5.2.0.RELEASE - 5.2.22.RELEASE, and older unsupported versions, it is possible for a user to provide a specially crafted SpEL expression that may cause a denial-of-service (DoS) condition.",
  "id": "GHSA-564r-hj7v-mcr5",
  "modified": "2024-03-14T20:51:28Z",
  "published": "2023-03-23T21:30:19Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-20861"
    },
    {
      "type": "WEB",
      "url": "https://github.com/spring-projects/spring-framework/commit/430fc25acad2e85cbdddcd52b64481691f03ebd1"
    },
    {
      "type": "WEB",
      "url": "https://github.com/spring-projects/spring-framework/commit/52c93b1c4b24d70de233a958e60e7c5822bd274f"
    },
    {
      "type": "WEB",
      "url": "https://github.com/spring-projects/spring-framework/commit/935c29e3ddba5b19951e54f6685c70ed45d9cbe5"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/spring-projects/spring-framework"
    },
    {
      "type": "WEB",
      "url": "https://security.netapp.com/advisory/ntap-20230420-0007"
    },
    {
      "type": "WEB",
      "url": "https://spring.io/security/cve-2023-20861"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Spring Framework vulnerable to denial of service via specially crafted SpEL expression"
}