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Critical

Incorrect identification of source IP addresses in CasaOS

Type: advisorySources: OSV

CasaOS is an open-source Personal Cloud system. Due to a lack of IP address verification an unauthenticated attackers can execute arbitrary commands as `root` on CasaOS instances. The problem was addressed by improving the detection of client IP addresses in `391dd7f`. This patch is part of CasaOS 0.4.4. Users should upgrade to CasaOS 0.4.4. If they can't, they should temporarily restrict access to CasaOS to untrusted users, for instance by not exposing it publicly.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2023-37265
Confirmed fixed CVEs
Not specified
Updated in this feed
4 Nov 2026, 23:51 UTC · Revision 1

Source evidence

Incorrect identification of source IP addresses in CasaOS

core-osv · Original source

Published 17 Jul 2023, 20:59 UTC

CasaOS is an open-source Personal Cloud system. Due to a lack of IP address verification an unauthenticated attackers can execute arbitrary commands as `root` on CasaOS instances. The problem was addressed by improving the detection of client IP addresses in `391dd7f`. This patch is part of CasaOS 0.4.4. Users should upgrade to CasaOS 0.4.4. If they can't, they should temporarily restrict access to CasaOS to untrusted users, for instance by not exposing it publicly.

osv:CVE-2023-37265
Complete source record
{
  "id": "80ba268f14e9d347d72b619a17f56c09930f37390a29ad2fea7c2690b1aa55b9",
  "url": "https://osv.dev/vulnerability/CVE-2023-37265",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Incorrect identification of source IP addresses in CasaOS",
    "summary": "CasaOS is an open-source Personal Cloud system. Due to a lack of IP address verification an unauthenticated attackers can execute arbitrary commands as `root` on CasaOS instances. The problem was addressed by improving the detection of client IP addresses in `391dd7f`. This patch is part of CasaOS 0.4.4. Users should upgrade to CasaOS 0.4.4. If they can't, they should temporarily restrict access to CasaOS to untrusted users, for instance by not exposing it publicly.",
    "evidence": "osv:CVE-2023-37265",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2023-37265",
      "aliases": [
        "CVE-2023-37265",
        "GHSA-vjh7-5r6x-xh6g",
        "GO-2023-1932"
      ],
      "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/icewhaletech/casaos-gateway",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "f11f540a5575ad8ff6c3a2db780bad59b24751c8"
                },
                {
                  "introduced": "f76b6bcd949be30867b2c3829cbeb94b0c354aef"
                },
                {
                  "fixed": "391dd7f0f239020c46bf057cfa25f82031fc15f7"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:icewhale:casaos-gateway:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "0.4.4"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:icewhale:casaos-gateway:0.4.4:alpha1:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0.4.4-alpha1"
                      },
                      {
                        "last_affected": "0.4.4-alpha1"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "range": [
                      {
                        "fixed": "391dd7f0f239020c46bf057cfa25f82031fc15f7"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "0.4.4-alpha1",
            "v0.4.4-alpha1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-37265.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:40.338825930Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/37xxx/CVE-2023-37265.json",
        "https://github.com/IceWhaleTech/CasaOS-Gateway/security/advisories/GHSA-vjh7-5r6x-xh6g",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-37265",
        "https://github.com/IceWhaleTech/CasaOS-Gateway/commit/391dd7f0f239020c46bf057cfa25f82031fc15f7",
        "https://www.sonarsource.com/blog/security-vulnerabilities-in-casaos"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-306"
        ],
        "cna_assigner": "GitHub_M",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/37xxx/CVE-2023-37265.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-37265",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 508139,
  "published_at": "2023-07-17T20:59:25.498+00:00"
}