{
  "id": "cve-2023-36844",
  "cveID": "CVE-2023-36844",
  "vendor": "Juniper",
  "product": "Junos OS",
  "vulnerabilityName": "Juniper Junos OS EX Series PHP External Variable Modification Vulnerability",
  "shortDescription": "Juniper Junos OS on EX Series contains a PHP external variable modification vulnerability that allows an unauthenticated, network-based attacker to control certain, important environment variables. Using a crafted request an attacker is able to modify certain PHP environment variables, leading to partial loss of integrity, which may allow chaining to other vulnerabilities.",
  "requiredAction": "Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.",
  "dateAdded": "2023-11-13",
  "dueDate": "2023-11-17",
  "knownRansomware": false,
  "cwes": [
    "CWE-473"
  ],
  "notes": "https://supportportal.juniper.net/s/article/2023-08-Out-of-Cycle-Security-Bulletin-Junos-OS-SRX-Series-and-EX-Series-Multiple-vulnerabilities-in-J-Web-can-be-combined-to-allow-a-preAuth-Remote-Code-Execution?language=en_US ;  https://nvd.nist.gov/vuln/detail/CVE-2023-36844",
  "sources": [
    {
      "label": "NVD",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-36844"
    },
    {
      "label": "CISA KEV",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog"
    },
    {
      "label": "supportportal.juniper.net",
      "url": "https://supportportal.juniper.net/s/article/2023-08-Out-of-Cycle-Security-Bulletin-Junos-OS-SRX-Series-and-EX-Series-Multiple-vulnerabilities-in-J-Web-can-be-combined-to-allow-a-preAuth-Remote-Code-Execution?language=en_US"
    },
    {
      "label": "nvd.nist.gov",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-36844"
    }
  ],
  "cvss": {
    "score": 5.3,
    "severity": "MEDIUM",
    "version": "3.1",
    "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"
  },
  "epss": {
    "score": 0.89958,
    "percentile": 0.99785
  },
  "timeline": [
    {
      "date": "2023-11-13",
      "event": "Added to the CISA KEV catalog"
    },
    {
      "date": "2023-11-17",
      "event": "CISA remediation due date (BOD 22-01)"
    }
  ],
  "status": "past due"
}