{
  "id": "cve-2021-21311",
  "cveID": "CVE-2021-21311",
  "vendor": "Adminer",
  "product": "Adminer",
  "vulnerabilityName": "Adminer Server-Side Request Forgery Vulnerability",
  "shortDescription": "Adminer contains a server-side request forgery vulnerability that, when exploited, allows a remote attacker to obtain potentially sensitive information.",
  "requiredAction": "Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.",
  "dateAdded": "2025-09-29",
  "dueDate": "2025-10-20",
  "knownRansomware": false,
  "cwes": [
    "CWE-918"
  ],
  "notes": "https://github.com/vrana/adminer/security/advisories/GHSA-x5r2-hj5c-8jx6 ; https://nvd.nist.gov/vuln/detail/CVE-2021-21311",
  "sources": [
    {
      "label": "NVD",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-21311"
    },
    {
      "label": "CISA KEV",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog"
    },
    {
      "label": "github.com",
      "url": "https://github.com/vrana/adminer/security/advisories/GHSA-x5r2-hj5c-8jx6"
    },
    {
      "label": "nvd.nist.gov",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-21311"
    }
  ],
  "cvss": {
    "score": 7.2,
    "severity": "HIGH",
    "version": "3.1",
    "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N"
  },
  "epss": {
    "score": 0.90461,
    "percentile": 0.99793
  },
  "timeline": [
    {
      "date": "2025-09-29",
      "event": "Added to the CISA KEV catalog"
    },
    {
      "date": "2025-10-20",
      "event": "CISA remediation due date (BOD 22-01)"
    }
  ],
  "status": "past due"
}