CVE-2023-37265

CRITICAL NUCLEI

CasaOS < 0.4.4 - Unauthenticated Remote Code Execution via IP Address Verification Bypass

Title source: llm
STIX 2.1

Exploitation Summary

CVE-2023-37265 has a Nuclei detection template available — see the Nuclei card below for the Shodan/FOFA recon queries.

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.

Nuclei Templates (1)

CasaOS < 0.4.4 - Authentication Bypass via Internal IP
CRITICALVERIFIEDby iamnoooob,DhiyaneshDK,pdresearch
Shodan: http.html:"/CasaOS-UI/public/index.html" || http.html:"/casaos-ui/public/index.html"
FOFA: body="/CasaOS-UI/public/index.html" || body="/casaos-ui/public/index.html"

Scores

CVSS v3 9.8
EPSS 0.0636
EPSS Percentile 92.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

CWE
CWE-306
Status published
Products (5)
icewhale/casaos 0.4.4 alpha1 (5 CPE variants)
icewhale/casaos < 0.4.4
icewhale/casaos-gateway 0.4.4 alpha1
icewhale/casaos-gateway < 0.4.4
IceWhaleTech/CasaOS-Gateway 0 - 0.4.4Go
Published Jul 17, 2023
Tracked Since Feb 18, 2026