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Vulnerability record · CVE-2023-37265 · published 17 July 2023

CVE-2023-37265: Icewhale casaos missing authentication for critical function vulnerability

IIcewhale · Casaos

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.

9.8 CVSS 3.1 Critical EPSS 7.4% · top 5.8% CWE-306 · Missing authentication for critical function
9.8CVSS 3.1 base score
7.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
5References, 1 tagged exploit
17 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/IceWhaleTech/CasaOS-Gateway/commit/391dd7f0f239020c46bf057cfa25f82031fc15f7 Patch
https://github.com/IceWhaleTech/CasaOS-Gateway/security/advisories/GHSA-vjh7-5r6x-xh6g PatchVendor Advisory
https://www.sonarsource.com/blog/security-vulnerabilities-in-casaos ExploitThird Party Advisory
https://github.com/IceWhaleTech/CasaOS-Gateway/commit/391dd7f0f239020c46bf057cfa25f82031fc15f7 Patch
https://github.com/IceWhaleTech/CasaOS-Gateway/security/advisories/GHSA-vjh7-5r6x-xh6g PatchVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2024-24765Icewhale casaos information exposure vulnerabilityCasaOS-UserService provides user management functionalities to CasaOS. Prior to version 0.4.7, path filtering of the URL for user avatar image files …EPSS 0.97%9.8CVE-2024-24767Icewhale casaos improper restriction of authentication attempts vulnerabilityCasaOS-UserService provides user management functionalities to CasaOS. Starting in version 0.4.4.3 and prior to version 0.4.7, CasaOS doesn't defend …EPSS 0.98%9.8CVE-2023-37266Icewhale casaos improper authentication vulnerabilityCasaOS is an open-source Personal Cloud system. Unauthenticated attackers can craft arbitrary JWTs and access features that usually require authentic…EPSS 6.8%9.8CVE-2022-24193Icewhale casaos os command injection vulnerabilityCasaOS before v0.2.7 was discovered to contain a command injection vulnerability.EPSS 5.5%8.8CVE-2023-37469Icewhale casaos command injection vulnerabilityCasaOS is an open-source personal cloud system. Prior to version 0.4.4, if an authenticated user using CasaOS is able to successfully connect to a co…EPSS 1.6%6.9CVE-2025-34171Icewhale casaos missing authorization vulnerabilityCasaOS versions up to and including 0.4.15 expose multiple unauthenticated endpoints that allow remote attackers to retrieve sensitive configuration …EPSS 0.64%8.8CVE-2026-67277MikroTik RouterOS btest missing authentication leaks kernel memory and crashes kernelRouterOS accepts a "related" btest connection before the primary session is authenticated, letting an unauthenticated client start an IPv4 UDP test. …KEVEPSS 1.6%analysed8.8CVE-2026-59822LiteLLM MCP endpoint auth bypass via OAuth2 passthrough fallbackLiteLLM's MCP Streamable HTTP endpoint, prior to 1.84.0, let an unauthenticated attacker send a fabricated Authorization header that triggered an OAu…KEVEPSS 0.84%analysed

Source: NIST National Vulnerability Database (record CVE-2023-37265), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.