Security advisory

{
  "id": "3cf720090f5eb94c866f7861f32a386b7d3d746ae6c600d1da9ad9dff131c76d",
  "url": "https://osv.dev/vulnerability/CVE-2023-45312",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2023-45312",
    "summary": "In the mtproto_proxy (aka MTProto proxy) component through 0.7.2 for Erlang, a low-privileged remote attacker can access an improperly secured default installation without authenticating and achieve remote command execution ability.",
    "evidence": "osv:CVE-2023-45312",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2023-45312",
      "aliases": [
        "CVE-2023-45312",
        "GHSA-738q-mc72-2q22"
      ],
      "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/seriyps/mtproto_proxy",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "37497fff04c11b70bfcdb3ad8f2adca7c98941ce"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:mtproto:mt_proto_proxy:*:*:*:*:*:erlang:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "0.7.2"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "0.7.2",
            "0.7.1",
            "0.7.0",
            "0.6.1",
            "0.6.0",
            "0.5.1",
            "0.5.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-45312.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:37.422647824Z",
      "provider": "osv",
      "references": [
        "https://medium.com/%40_sadshade/almost-2000-telegram-proxy-servers-are-potentially-vulnerable-to-rce-since-2018-742a455be16b",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/45xxx/CVE-2023-45312.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-45312"
      ],
      "provider_metadata": {
        "cna_assigner": "mitre",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/45xxx/CVE-2023-45312.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-45312",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 504896,
  "published_at": "2023-10-10T00:00:00+00:00"
}