{"id":"CVE-2023-37265","aliases":["EUVD-2023-2152","GHSA-vjh7-5r6x-xh6g","GO-2023-1932"],"status":"published","title":"Incorrect identification of source IP addresses in CasaOS","description":"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.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.07356,"percentile":0.94447,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-306","CWE-348"],"published":"2023-07-17T14:36:09Z","modified":"2026-10-28T02:30:40Z","exploits":[{"source":"nuclei","id":"CVE-2023-37265","title":"CasaOS  \u003c 0.4.4 - Authentication Bypass via Internal IP","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-37265.yaml"}],"fixes":[{"ecosystem":"Go","package":"github.com/IceWhaleTech/CasaOS-Gateway","fixed_in":["0.4.4"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Go","package":"github.com/IceWhaleTech/CasaOS-Gateway","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.4.4"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/IceWhaleTech/CasaOS-Gateway","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.4.4"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/IceWhaleTech/CasaOS-Gateway","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.4.4"}]}]}],"products":[{"vendor":"icewhale","product":"casaos"},{"vendor":"icewhale","product":"casaos-gateway"},{"vendor":"icewhaletech","product":"casaos-gateway"}],"references":[{"url":"https://github.com/IceWhaleTech/CasaOS-Gateway/security/advisories/GHSA-vjh7-5r6x-xh6g","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory","advisory","web"]},{"url":"https://github.com/IceWhaleTech/CasaOS-Gateway/commit/391dd7f0f239020c46bf057cfa25f82031fc15f7","tags":["x_refsource_MISC","x_transferred","Patch","fix","web"]},{"url":"https://www.sonarsource.com/blog/security-vulnerabilities-in-casaos","tags":["x_refsource_MISC","Exploit","Third Party Advisory","article","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-37265","tags":["advisory"]},{"url":"https://pkg.go.dev/vuln/GO-2023-1932","tags":["web"]},{"url":"https://github.com/advisories/GHSA-vjh7-5r6x-xh6g"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/37xxx/CVE-2023-37265.json","tags":["advisory"]},{"url":"https://github.com/IceWhaleTech/CasaOS-Gateway","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2023-37265","title":"Incorrect identification of source IP addresses in CasaOS","description":"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.","status":"published","published":"2023-07-17T20:59:25.498Z","modified":"2024-12-12T20:45:23.231Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:35:16.454633Z"}],"euvd":[{"id":"EUVD-2023-2152","description":"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.","status":"published","published":"2023-07-17T20:59:25Z","modified":"2024-12-12T20:45:23Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-03T00:04:36.024922Z"}],"ghsa":[{"id":"GHSA-vjh7-5r6x-xh6g","title":"CasaOS Gateway vulnerable to incorrect identification of source IP addresses","description":"### Impact\n\nUnauthenticated attackers can execute arbitrary commands as `root` on CasaOS instances.\n\n### Patches\n\nThe problem was addressed by improving the detection of client IP addresses in 391dd7f. This patch is part of CasaOS 0.4.4.\n\n### Workarounds\n\nUsers 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. \n\n### References\n\n- 391dd7f\n- https://www.sonarsource.com/blog/security-vulnerabilities-in-casaos/","status":"published","published":"2023-07-17T14:36:09Z","modified":"2024-12-12T22:29:31Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-306","CWE-348"],"updated_at":"2026-11-02T14:38:25.334027Z"}],"nvd":[{"id":"CVE-2023-37265","description":"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.","status":"published","published":"2023-07-17T21:15:09.653Z","modified":"2026-06-17T06:07:50.857Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:08:17.044696Z"}],"osv":[{"id":"CVE-2023-37265","title":"Incorrect identification of source IP addresses in CasaOS","description":"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.","status":"published","published":"2023-07-17T20:59:25.498Z","modified":"2026-10-28T02:30:40.33882593Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T15:44:32.510144Z"},{"id":"GHSA-vjh7-5r6x-xh6g","title":"CasaOS Gateway vulnerable to incorrect identification of source IP addresses","description":"### Impact\n\nUnauthenticated attackers can execute arbitrary commands as `root` on CasaOS instances.\n\n### Patches\n\nThe problem was addressed by improving the detection of client IP addresses in 391dd7f. This patch is part of CasaOS 0.4.4.\n\n### Workarounds\n\nUsers 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. \n\n### References\n\n- 391dd7f\n- https://www.sonarsource.com/blog/security-vulnerabilities-in-casaos/","status":"published","published":"2023-07-17T14:36:09Z","modified":"2026-09-10T03:49:54.660033562Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-306","CWE-348"],"updated_at":"2026-11-02T15:46:57.348035Z"},{"id":"GO-2023-1932","title":"CasaOS Gateway vulnerable to incorrect identification of source IP addresses in github.com/IceWhaleTech/CasaOS-Gateway","description":"CasaOS Gateway vulnerable to incorrect identification of source IP addresses in github.com/IceWhaleTech/CasaOS-Gateway","status":"published","published":"2024-08-20T20:31:38Z","modified":"2026-03-03T04:53:59.692498Z","updated_at":"2026-11-02T15:47:01.185262Z"}]}}