Security advisory

{
  "id": "7d27e0850e5129a472f5c94393f225feeb2c7626f285027ff8ee6aac4f5b57f3",
  "url": "https://osv.dev/vulnerability/CVE-2023-46894",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2023-46894",
    "summary": "An issue discovered in esptool 4.6.2 allows attackers to view sensitive information via weak cryptographic algorithm.",
    "evidence": "osv:CVE-2023-46894",
    "products": [],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2023-46894",
      "aliases": [
        "CVE-2023-46894",
        "GHSA-3f38-96qm-r3fw"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/espressif/esptool",
              "type": "GIT",
              "events": [
                {
                  "introduced": "8c5f47f8d0be6bbfc2668791653fc8af75f3cd2b"
                },
                {
                  "last_affected": "8c5f47f8d0be6bbfc2668791653fc8af75f3cd2b"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:espressif:esptool:4.6.2:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "4.6.2"
                      },
                      {
                        "last_affected": "4.6.2"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "4.6.2",
            "v4.6.2"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-46894.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:53.059466570Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/46xxx/CVE-2023-46894.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-46894",
        "https://github.com/espressif/esptool/issues/926"
      ],
      "provider_metadata": {
        "cna_assigner": "mitre",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/46xxx/CVE-2023-46894.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-46894",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 521554,
  "published_at": "2023-11-09T00:00:00+00:00"
}