Security advisory

{
  "id": "26c9475810071cba7ced34ab260a1a2e95769c977404af03a0ed9cf937057857",
  "url": "https://osv.dev/vulnerability/CVE-2021-39273",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-39273",
    "summary": "In XeroSecurity Sn1per 9.0 (free version), insecure permissions (0777) are set upon application execution, allowing an unprivileged user to modify the application, modules, and configuration files. This leads to arbitrary code execution with root privileges.",
    "evidence": "osv:CVE-2021-39273",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2021-39273",
      "aliases": [
        "CVE-2021-39273"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/1n3/sn1per",
              "type": "GIT",
              "events": [
                {
                  "introduced": "31df5dc44d1f428b48050d950ea65b1a9bd1e44b"
                },
                {
                  "last_affected": "31df5dc44d1f428b48050d950ea65b1a9bd1e44b"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:xerosecurity:sn1per:9.0:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "9.0"
                      },
                      {
                        "last_affected": "9.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "9.0",
            "v9.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-39273.json"
          }
        }
      ],
      "modified": "2026-10-20T10:54:53.857707425Z",
      "provider": "osv",
      "references": [
        "https://github.com/1N3/Sn1per/releases",
        "https://github.com/1N3/Sn1per/issues/358",
        "https://github.com/nikip72/CVE-2021-39273-CVE-2021-39274"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-39273",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 386408,
  "published_at": "2021-08-19T12:15:09.347+00:00"
}