{
  "cveId": "CVE-2025-27773",
  "url": "https://patchblox.com/security/cve/CVE-2025-27773",
  "summary": "CVE-2025-27773 is fixed in simplesamlphp on 1 platform, first by simplesamlphp 1.15.3-1ubuntu0.1~esm1, released March 11, 2025. It is not reported as exploited. Patch Radar priority: High.",
  "title": "simplesamlphp: The SimpleSAMLphp SAML2 library is a PHP library for SAML2 related functionality",
  "description": "The SimpleSAMLphp SAML2 library is a PHP library for SAML2 related functionality. Prior to versions 4.17.0 and 5.0.0-alpha.20, there is a signature confusion attack in the HTTPRedirect binding. An attacker with any signed SAMLResponse via the HTTP-Redirect binding can cause the application to accept an unsigned message. Versions 4.17.0 and 5.0.0-alpha.20 contain a fix for the issue.",
  "published": "2025-03-11T12:15:00Z",
  "severity": "Medium",
  "cvss": 8.6,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N",
  "epss": 0.00415,
  "epssPercentile": 0.36066,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "simplesamlphp",
      "release": "Debian 11.6 (bullseye)",
      "fixedVersion": "1.19.0-1\u002Bdeb11u2",
      "fix": "DLA-4161-1",
      "url": "https://patchblox.com/security/fix/linux/dla-4161-1",
      "released": "2025-05-09T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "simplesamlphp",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "1.19.7-1\u002Bdeb12u2",
      "fix": "DEBIAN-CVE-2025-27773",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2025-27773",
      "released": "2025-03-11T19:15:43Z"
    },
    {
      "platform": "linux",
      "product": "simplesamlphp",
      "release": "Debian 14",
      "fixedVersion": "1.19.7-2",
      "fix": "DEBIAN-CVE-2025-27773",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2025-27773",
      "released": "2025-03-11T19:15:43Z"
    },
    {
      "platform": "linux",
      "product": "simplesamlphp",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.15.3-1ubuntu0.1~esm1",
      "fix": "simplesamlphp 1.15.3-1ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-simplesamlphp-1.15.3-1ubuntu0.1-esm1",
      "released": "2025-03-11T12:15:00Z"
    },
    {
      "platform": "linux",
      "product": "simplesamlphp",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1.18.4-1ubuntu0.1~esm1",
      "fix": "simplesamlphp 1.18.4-1ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-simplesamlphp-1.18.4-1ubuntu0.1-esm1",
      "released": "2025-03-11T12:15:00Z"
    },
    {
      "platform": "linux",
      "product": "simplesamlphp",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "1.19.1-1.1ubuntu0.1~esm1",
      "fix": "simplesamlphp 1.19.1-1.1ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-simplesamlphp-1.19.1-1.1ubuntu0.1-esm1",
      "released": "2025-03-11T12:15:00Z"
    },
    {
      "platform": "linux",
      "product": "simplesamlphp",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "1.19.7-1\u002Bdeb12u1ubuntu0.1",
      "fix": "simplesamlphp 1.19.7-1\u002Bdeb12u1ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-simplesamlphp-1.19.7-1-deb12u1ubuntu0.1",
      "released": "2025-03-11T12:15:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T19:12:23Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}