Security readout for executives and security teams
Plain-English summary
CasaOS before 0.4.4 can trust the wrong source IP information. An unauthenticated network attacker may be able to run arbitrary commands as root, which means full control of the affected host. Publicly exposed CasaOS instances are the highest concern.
Executive priority
Prioritize immediate remediation for any exposed CasaOS instance. This is a critical unauthenticated remote root execution issue, so delay can translate into full host compromise. If patching cannot happen now, isolate the service from untrusted access.
Technical view
CVE-2023-37265 affects IceWhaleTech CasaOS-Gateway versions before 0.4.4. The issue is described as lack of IP address verification, mapped to CWE-306, and carries CVSS 9.8. The fix improved client IP detection in commit 391dd7f and shipped in CasaOS 0.4.4.
Likely exposure
Likely exposure is CasaOS personal cloud deployments running CasaOS-Gateway below 0.4.4, especially instances reachable from the internet. Internal-only deployments still matter if untrusted users or devices can reach CasaOS.
Exploitation context
The provided sources support unauthenticated remote root command execution potential. The CVE is not listed as KEV, and the supplied bundle does not confirm active exploitation in the wild. Risk remains high because exploitation needs network access and no authentication.
Researcher notes
Focus validation on version, network reachability, and whether the client IP detection fix is present. Do not assume active exploitation from the provided evidence. The vendor-named remediation is upgrade to CasaOS 0.4.4; other mitigations are exposure reduction only.
Mitigation direction
- Upgrade CasaOS or CasaOS-Gateway to version 0.4.4 or later.
- If immediate upgrade is impossible, remove public exposure to CasaOS.
- Restrict CasaOS access to trusted networks and trusted users only.
- Review vendor advisory and release guidance before restoring external access.
- Monitor affected hosts for unexpected administrative changes or command execution indicators.
Validation and detection
- Inventory CasaOS deployments and identify CasaOS-Gateway versions below 0.4.4.
- Confirm whether CasaOS is reachable from the internet or untrusted networks.
- Verify CasaOS 0.4.4 or the 391dd7f fix is installed.
- Review firewall, proxy, and access-control rules protecting CasaOS.
- Check logs for unusual access patterns before and after remediation.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-306: Credential and account abuse lookup
Authentication and credential weaknesses can make valid-account abuse and credential telemetry useful review starting points. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2023-37265 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/IceWhaleTech/CasaOS-Gateway/security/advisories/GHSA-vjh7-5r6x-xh6gCVE reference · x_refsource_CONFIRM
- https://github.com/IceWhaleTech/CasaOS-Gateway/commit/391dd7f0f239020c46bf057cfa25f82031fc15f7CVE reference · x_refsource_MISC
- https://www.sonarsource.com/blog/security-vulnerabilities-in-casaosCVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Missing Authentication for Critical Function
Missing Authentication for Critical Function represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.
