Security advisory

{
  "id": "af241a8ebb8a9616f31ffd43bc2aa9312d85245b8e1b82f44ce8b079514c788e",
  "url": "https://osv.dev/vulnerability/CVE-2021-41862",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-41862",
    "summary": "AviatorScript through 5.2.7 allows code execution via an expression that is encoded with Byte Code Engineering Library (BCEL).",
    "evidence": "osv:CVE-2021-41862",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2021-41862",
      "aliases": [
        "CVE-2021-41862",
        "GHSA-xpv2-8ppj-79hh"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/killme2008/aviatorscript",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "b29a15a5a8f4b38cc9afb9872c6ddf6b51677078"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "5.2.7"
                      }
                    ],
                    "source": "DESCRIPTION"
                  }
                ]
              }
            }
          ],
          "versions": [
            "aviator-5.2.7",
            "aviator-5.2.6",
            "aviator-5.2.5",
            "aviator-5.2.4",
            "aviator-5.2.3",
            "aviator-5.2.2",
            "aviator-5.2.1",
            "aviator-5.2.0",
            "aviator-5.1.4",
            "aviator-5.1.3",
            "aviator-5.1.2",
            "aviator-5.1.1",
            "aviator-5.1.0",
            "aviator-5.0.1",
            "aviator-5.0.0",
            "aviator-5.0.0-RC2",
            "aviator-5.0.0-RC1",
            "aviator-5.0.0-beta2",
            "aviator-5.0.0-beta1",
            "aviator-4.2.10",
            "aviator-4.2.9",
            "aviator-4.2.8",
            "aviator-4.2.7",
            "aviator-4.2.6",
            "aviator-4.2.5",
            "aviator-4.2.4",
            "aviator-4.2.3",
            "aviator-4.2.2",
            "aviator-4.2.0",
            "aviator-4.1.2",
            "aviator-4.1.1",
            "aviator-4.1.0",
            "aviator-4.0.0-RC",
            "aviator-3.3.0",
            "aviator-3.2.0",
            "aviator-3.1.1",
            "aviator-3.1.0",
            "aviator-3.0.1",
            "aviator-3.0.0",
            "3.0.0",
            "aviator-2.3.7",
            "aviator-2.3.6",
            "aviator-2.3.5",
            "aviator-2.3.4",
            "aviator-2.3.3",
            "aviator-2.3.2",
            "aviator-2.3.1",
            "aviator-2.3.0",
            "aviator-2.2.1",
            "aviator-2.2.0",
            "aviator-2.1.1",
            "aviator-2.1",
            "aviator-2.0",
            "aviator-1.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-41862.json"
          }
        }
      ],
      "modified": "2026-10-20T10:55:00.300501424Z",
      "provider": "osv",
      "references": [
        "https://github.com/killme2008/aviatorscript/issues/421"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:a:aviatorscript_project:aviatorscript:*:*:*:*:*:*:*:*"
            ],
            "vendor_product": "aviatorscript_project:aviatorscript",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "5.2.1"
                  }
                ],
                "source": "CPE_RANGE"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2021-41862",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 386661,
  "published_at": "2021-10-02T00:15:07.453+00:00"
}