CVE-2023-37265
CriticalCasaOS Gateway vulnerable to incorrect identification of source IP addresses
Published Jul 17, 2023 · Updated Sep 10, 2026 · Also known as GHSA-vjh7-5r6x-xh6g, GO-2023-1932
Key Facts
Patch in the next maintenance window- CVE-2023-37265 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting CasaOS-Gateway (Icewhale), Casaos (Icewhale), github.com/IceWhaleTech/CasaOS-Gateway (go).
- It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
- EPSS estimates a 7.4% probability of exploitation in the next 30 days.
- Fixed versions are available, including github.com/IceWhaleTech/CasaOS-Gateway 0.4.4, Casaos 0.4.4, CasaOS-Gateway 0.4.4.
- Brandefense priority: patch in the next maintenance window, because of its high severity, although no exploitation is known.
CVSS v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
7.4%
Higher than 94.3% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
None known
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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.
Affected Products
10 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| CasaOS-GatewayIcewhale | 0.4.4-alpha1, >= < 0.4.4 | 0.4.4 |
| CasaosIcewhale | 0.4.4-alpha1, 0.4.4-alpha2, 0.4.4-alpha3, 0.4.4-alpha4, 0.4.4-alpha5 | 0.4.4 |
| github.com/IceWhaleTech/CasaOS-Gatewaygo | See advisory | 0.4.4 |
Patched Releases
github.com/IceWhaleTech/CasaOS-Gateway
0.4.4
Casaos
0.4.4
CasaOS-Gateway
0.4.4
Timeline
Publicly disclosed
Jul 17, 2023
Last updated
Sep 10, 2026
Weakness Type
- CWE-306 Missing Authentication for Critical Function
- CWE-348 Use of Less Trusted Source
References
- advisoryGHSA advisory
- advisoryhttps://github.com/CVEProject/cvelistV5/tree/main/cves/2023/37xxx/CVE-2023-37265.json
- advisoryhttps://nvd.nist.gov/vuln/detail/CVE-2023-37265
- articlehttps://github.com/IceWhaleTech/CasaOS-Gateway/commit/391dd7f0f239020c46bf057cfa25f82031fc15f7
- articlehttps://github.com/IceWhaleTech/CasaOS-Gateway/security/advisories/GHSA-vjh7-5r6x-xh6g
FAQ
Common Questions.
CasaOS is an open-source Personal Cloud system.
Affected: CasaOS-Gateway (Icewhale) versions 0.4.4-alpha1, >= < 0.4.4; Casaos (Icewhale) versions 0.4.4-alpha1, 0.4.4-alpha2, 0.4.4-alpha3, 0.4.4-alpha4, 0.4.4-alpha5; github.com/IceWhaleTech/CasaOS-Gateway (go). The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including github.com/IceWhaleTech/CasaOS-Gateway 0.4.4, Casaos 0.4.4, CasaOS-Gateway 0.4.4.
Brandefense priority: patch in the next maintenance window, because of its high severity, although no exploitation is known.
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